CES Letter Answers

Appearance

DNA and the Book of Mormon ​

The claim:

"DNA analysis has concluded that Native American Indians do not originate from the Middle East or from Israelites but rather from Asia. Why did the Church change the following section of the introduction page in the 2006 edition Book of Mormon, shortly after the DNA results were released?

'…the Lamanites, and they are the principal ancestors of the American Indians'

to

'…the Lamanites, and they are among the ancestors of the American Indians'

UPDATE: The Church conceded in its January 2014 Book of Mormon and DNA Studies essay that the majority of Native Americans carry largely Asian DNA. The Church, through this essay, makes a major shift in narrative from its past dominant narrative and claims of the origins of the Native American Indians."[1]

The CES Letter compresses one of its rhetorically heaviest arguments into roughly 170 words — a one-sentence verdict ("DNA analysis has concluded"), a rhetorical question implying institutional retreat, a side-by-side textual comparison, and an "UPDATE" framing the 2014 Gospel Topics Essay as a "concession."[1:1] The brevity is itself a rhetorical move: presenting DNA as obviously settled. The actual scientific debate occupies hundreds of pages of peer-reviewed scholarship on both sides, virtually none of which the CES Letter engages.

This article addresses the strongest version of the DNA criticism, not the slogan version. It develops the science of population genetics in plain terms, documents the historical record of the Limited Geography Model from primary sources predating DNA criticism by decades, examines what the Book of Mormon text itself claims about its peoples, and then engages the genuinely hard questions — the Jaredite scale problem, the autosomal-DNA detection threshold, the unfalsifiability charge, and the institutional-timing pattern — without flinching where the steelman case is strongest.

The honest bottom line, stated plainly so the rest of the article can be read against it: DNA evidence is genuinely neutral on the Book of Mormon. It cannot decisively refute the text given the demographic parameters the text itself describes, but it does not affirmatively support it either. The CES Letter's "case closed" framing is unwarranted. So is any framing that treats DNA as a positive argument for the Book of Mormon. Both sides have to look elsewhere — and on the elsewhere, the Book of Mormon does considerably better than its critics generally acknowledge.

What population genetics can and cannot detect ​

Before evaluating any specific claim, a methodological question must be asked: under what conditions can modern DNA evidence detect or rule out an ancient migration?

Population geneticists routinely distinguish three different kinds of inherited DNA, each with different properties relevant to this question. Mitochondrial DNA (mtDNA) is inherited only from the mother, traces a single maternal lineage back through time, and does not recombine; it is therefore vulnerable to total erasure by drift if no female descendant in any generation passes it forward. Y-chromosome DNA behaves the same way along the paternal line. Autosomal DNA is inherited from all ancestors and integrated across the genome by recombination; it is more resistant to total erasure but breaks into smaller and smaller chromosomal segments with each generation that passes.[2][3]

Three modes of inheritance: mtDNA, Y-chromosome, and autosomal DNAThree pedigree panels show how each DNA type travels across five generations from a founder (G4) to a present-day descendant (G0). The mtDNA panel shows a single thread descending only through mothers, with all paternal ancestors greyed at every level. The Y-chromosome panel shows the symmetric paternal thread, with all maternal ancestors greyed. The autosomal panel shows the full pedigree with recombining contributions from many ancestors converging on the descendant.Mitochondrial (mtDNA)Y-chromosomeAutosomalinherited through mothers onlyinherited through fathers onlyinherited from many ancestorsG4G3G2G1G0G0 chromosome: short fragments from many ancestorsmale in lineagefemale in lineageancestor not in lineagesingle threadrecombining contribution
Mitochondrial DNA descends through mothers only; the Y-chromosome descends through fathers only — each is a single thread, vulnerable to total erasure if no daughter or son in any generation carries it forward. Autosomal DNA is contributed by many ancestors and recombined into smaller and smaller chromosomal segments each generation — more resistant to total erasure, but a small founder's segments still erode to tract lengths near or below current detection thresholds over deep time.

Three additional concepts do most of the work in evaluating ancient migration claims. The founder effect describes how a small colonizing group carries only a small, possibly unrepresentative sample of the genetic diversity of its parent population. Genetic drift describes the random fluctuation of allele frequencies from generation to generation, which operates most powerfully on small populations and on lineages held by only a small fraction of the gene pool. Lineage extinction describes the cumulative effect: any given individual lineage has a meaningful probability of disappearing entirely from the descendant population in any given generation, even when the underlying genealogical relationship persists.[2:1][4]

Three operational conditions must be met for an ancient migration to be detectable in modern DNA: the founding signal must have been large enough at the start to survive drift; the time depth must not have allowed too many lineages to go extinct; and the host population must have been small enough that the founding group was not numerically swamped. When any of these conditions fails, the founding signal becomes statistically undetectable — not because no migration occurred, but because the math does not preserve it.[5][6]

This article's argument is two-step: (1) the Book of Mormon text itself supports the Limited Geography Model — Lehi's party arriving as a small group absorbed into a much larger existing population, with regional rather than hemispheric geography (developed at length below); (2) given the LGM, DNA cannot decide the question. The argument cannot be that the text-undetectable-by-DNA reading is proven by DNA being unable to detect it. The argument is that the text itself favors the LGM reading, given which DNA cannot detect a Lehite signal.[7]

Under the LGM, the Book of Mormon describes a scenario in which all three detection conditions fail at once. The founding group is small (Lehi's party was roughly 20–30 people, plus the comparable Mulekite group, plus the longer-time-depth Jaredite group).[8][9][10] The time depth is large (~2,600 years for Lehi, ~4,000+ for the Jaredites). And the host population, by every credible Mesoamerican reconstruction, was orders of magnitude larger.[2:2][9:1][10:1] To these are added at least one intervening bottleneck the text itself describes (the Nephite-line collapse at Cumorah ~AD 385 in Mormon 6 — strictly a bottleneck on the Nephite-identifying line, since Lamanite descendants persisted) and one massive bottleneck the post-Columbian record documents (substantial population collapse 1492–1650, on the order of 90% in the most affected regions).[11][12]

Detection variables: Lehite case versus three documented analog scenariosA four-by-four matrix comparing the four key detection variables — founding group size, time depth, host population size, and intervening bottlenecks — across four scenarios. The Lehite case sits at the unfavorable end of every variable: smallest founding group, longest time depth, by far the largest host population, and multiple intervening catastrophic bottlenecks. The Stacey-Sheffield-Crandall simulation, Iceland (Helgason 2009), and Ioannidis-Polynesia (2020) are each more favorable for detection on at least three of the four variables. The Lehite column is outlined to call out its uniformly unfavorable position.The Lehite case is at the unfavorable end of every detection variableDetection variableLehite caseBook of MormonmigrationSheffield sim.Stacey et al.2008IcelandHelgason et al.2009PolynesiaIoannidis et al.2020Founding group sizesmaller → harder to detect~30Lehi's party200migrantsthousandsNorse/Celtic settlerssmall foundergroupTime depthlonger → harder to detect~2,600years~2,000years (100 gen.)~1,100years (~35 gen.)~800yearsHost population sizelarger → harder to detectmillionspre-Columbian Mesoamerica5,000simulated hostnonefounders are the populationthousandsper islandIntervening bottlenecksmore → harder to detectmultipleCumorah (AD 385) +post-Columbian ~90% collapsenonemodelednonedocumentednonedocumentedharder to detectmideasier to detectLehite — unfavorable on every variable
The Lehite migration sits at the unfavorable end of all four detection variables — smallest founding group, longest time depth, by far the largest host population, and multiple intervening catastrophic bottlenecks. Each of the three real-world analog cases (the Sheffield simulation, Iceland, and Polynesia) is friendlier to detection on at least three of the four variables, and detection in those cases is itself only partial. That the Lehite signal is undetectable in modern DNA is the precisely expected outcome — regardless of whether the migration happened.

Asking whether modern DNA can detect this specific migration is a coherent scientific question. The answer, given current methods and the LGM parameters the text describes, is: probably not — and not because of any apologetic move, but because population genetics imposes its own limits regardless of what the truth happens to be.

The implications cut in both directions. A faithful reader cannot use this to claim DNA supports the Book of Mormon. But a critic cannot use the absence of detectable Israelite DNA to claim the migration did not occur. The honest framing is that DNA cannot deliver the verdict the CES Letter says it has delivered. Both sides have to look elsewhere.

What the science actually shows ​

The broad scientific finding is undisputed. Comprehensive DNA surveys of Native American populations — including mtDNA, Y-chromosome, and autosomal analysis — consistently show that the vast majority of Native American genetic ancestry traces to East Asian and Siberian founding populations who migrated to the Americas approximately 15,000–25,000 years ago via Beringia (the ancient land bridge across what is now the Bering Strait).[13][14] The five major mtDNA haplogroups found in Native Americans — A, B, C, D, and X — all trace to these founding populations.[2:3][15]

The Church's own Gospel Topics Essay states this directly: "The evidence assembled to date suggests that the majority of Native Americans carry largely Asian DNA."[2:4] This is not a "concession," because the Church has never disputed it. It is a statement of empirical fact — not on the line one way or the other for the Book of Mormon.

The science has become considerably more textured in the last fifteen years. Three findings deserve particular attention because they reframe the simple "Asian/non-Asian" binary the CES Letter implies.

The Beringian Standstill and the founding mtDNA lineages ​

Animated NOAA paleoclimatology visualization showing the Bering land bridge between Siberia and Alaska across the Last Glacial Maximum, from 21,000 years before present to today, as sea level rises and Beringia is submerged.
Animated NOAA visualization of glacial-era Beringia, the land bridge across which the founding Native American populations migrated from Siberia. Tamm et al. (2007) proposed that a small ancestral population was isolated in this region for up to ~15,000 years before dispersing into the Americas as the ice sheets retreated and sea levels rose. Via NOAA Paleoclimatology Program (Wikimedia Commons).

Tamm et al. (2007) established what is now called the Beringian Standstill model: a small founding population isolated in Beringia for up to roughly 15,000 years before dispersing into the Americas as the ice sheets retreated.[14:1] Achilli et al. (2008) refined the coalescence dates for the four pan-American mtDNA founding haplogroups to a range of roughly 18,000–24,000 years before present, with an average of about 20,000 years.[15:1] Perego et al. (2010) — Ugo Perego's mainstream peer-reviewed work in Genome Research — extended the founding-lineage catalog with additional rare variants.[16] Perego holds a PhD in population genetics from the University of Pavia under Antonio Torroni, one of the world's leading researchers on Native American mtDNA; his peer-reviewed publication record is mainstream, not apologetic-staff.[3:1]

Ancient Western Eurasian ancestry — the Mal'ta result ​

In 2014, Raghavan et al. published genome-wide analysis of a 24,000-year-old Siberian boy from the Mal'ta site, demonstrating that 14–38% of Native American autosomal ancestry derives from a population genetically closer to Western Eurasians than to East Asians.[17] The implication: the genetic history of the Americas is not a clean East Asian story. A substantial Western Eurasian component was present in the founding population itself, predating the Book of Mormon timeframe by tens of thousands of years.

This does not support the Book of Mormon. The Mal'ta-derived ancestry is far too old to be Lehite. But it does undermine the CES Letter's implicit framing that "Native Americans are from Asia, full stop." The scientific picture is more complex than a clean binary.

Ghost populations and pre-Columbian transoceanic contact ​

A series of recent studies has further complicated the simple picture. Skoglund et al. (2015) identified Population Y — a population genetically affiliated with present-day Australasians (Andamanese, Papuans, Indigenous Australians) that contributed roughly 2% of the ancestry of certain Amazonian populations, including the Surui and Karitiana.[18] Posth et al. (2018) sequenced 49 ancient genomes from Central and South America and identified additional unexplained admixture events.[19] Krettek et al. (2025) sequenced ancient individuals from the Bogotá Altiplano dating from roughly 6,000 to 500 years ago and identified a previously unrecognized basal South American lineage that, in the authors' own words, "do not carry differential affinity to ancient North American groups nor contribute genetically to ancient or present-day South American populations" — i.e., a population that lived in the Americas for thousands of years and then disappeared without leaving descendants in any modern reference sample.[20] Ferraz et al. (2023) — Posth a co-author — documented additional unexplained admixture in the eastern Brazilian Sambaqui shellmound populations, and Castro e Silva et al. (2021) documented the broader spread of the Australasian-affiliated signal across the Pacific coast of South America.[21][22]

These ghost lineages, by definition, cannot be detected in modern Native American populations. They appear only because researchers sequenced ancient samples directly. This pattern — ancient DNA reveals populations that are invisible in modern DNA — is the empirical backdrop against which the Lehite scenario must be evaluated. If entire civilizations have come and gone in the Americas without leaving detectable modern descendants, the absence of detectable Lehite DNA is not the empirical anomaly the CES Letter implies.

A noteworthy recent finding is Ioannidis et al. (2020), published in Nature, which used genome-wide analysis of 807 individuals from 17 Polynesian island populations and 15 Pacific coast Native American groups to demonstrate pre-Columbian Polynesian-Native American admixture, dated to AD 1150–1230.[23] The Native American genetic contribution most closely matches indigenous inhabitants of present-day Colombia. The contact occurred in eastern Polynesia, prior to the settlement of Easter Island.

The Ioannidis result has limited but real bearing on the Book of Mormon DNA debate. The contact is between Polynesia and the Pacific coast of South America (not between the Middle East and the Americas) and is dated to AD 1150–1230 — well after the Book of Mormon period. It does not affirmatively support the Lehite migration. What it does is retire any blanket claim that pre-Columbian transoceanic contact is too implausible to take seriously as a category — that claim is no longer defensible after Ioannidis. Detecting such contact also requires the most sophisticated genome-wide methods available and only succeeds in the most favorable scenarios: relatively recent contact (~800 years ago, not 2,600), a small host population (Polynesian islands of thousands, not continental populations), and no intervening catastrophic bottleneck. The Lehite scenario differs on each of these variables. Ioannidis is therefore a category-level retort to "transoceanic contact is impossible," not direct positive evidence for a Lehite migration.

The science of population genetics in plain terms ​

The CES Letter does not engage the science. The actual mathematics of population genetics is the heart of why DNA evidence is inconclusive on the Book of Mormon.

Founder effect — a worked example ​

The founder effect explains why a small migrating group cannot be assumed to carry "representative" DNA of its parent population.

The Gospel Topics Essay illustrates this with Ugo Perego's own genealogy:

"[Perego's] genealogy confirms that he is a multigeneration Italian, but the DNA of his paternal genetic lineage is from a branch of the Asian/Native American haplogroup C. If Perego and his family were to colonize an isolated landmass, future geneticists conducting a study of his descendants' Y chromosomes might conclude that the original settlers of that landmass were from Asia rather than Italy."[2:5]

This dismantles a foundational assumption embedded in the CES Letter's argument: that "Israelite DNA" is a known, defined thing that can be searched for in Native American populations. We do not know what specific haplogroups Lehi carried, what Sariah carried, what Ishmael carried, or what Ishmael's wife carried — and on the maternal side, the female members of the Lehite party were the only contributors to mtDNA in the colony. There is no "Lehite reference sample" of any kind, and even tribal-level inferences about Lehi or Ishmael (whose lineages are conventionally identified with Manasseh and Ephraim) tell us nothing about the specific maternal-line haplogroups Sariah and Ishmael's wife carried into the colony.[4:1][3:2]

The "search" that critics imagine has been performed has never actually been performed. It has been a hunt for haplogroups assumed to be representative of "Israelite" ancestry, applied to populations that may or may not have ever carried those haplogroups. This is not a search that can succeed or fail; it is a search whose target is undefined. (Modern admixture-detection methods that do not require known haplotype templates are addressed separately in the autosomal-DNA section below.)

Genetic drift — the Stacey/Sheffield/Crandall simulation ​

A widely-cited paper for thinking quantitatively about this question is Andrew Stacey, Nathan C. Sheffield, and Keith A. Crandall, "Calculating Expected DNA Remnants from Ancient Founding Events in Human Population Genetics," published in the peer-reviewed mainstream journal BMC Genetics in 2008.[5:1] Stacey was in BYU's Department of Statistics; Sheffield and Crandall were in BYU's Department of Biology. The methodology is mainstream population genetics and the publication venue is non-LDS.

The simulation modeled 200 migrants entering a host population of 5,000, 100 generations elapsed (~2,000 years), 1,000 loci sampled. Compared to the Lehite scenario, the simulation parameters are mixed: a larger founding group (200 vs. ~30 — friendlier to detection), similar time depth, a much smaller host population (5,000 vs. millions — friendlier to detection, because a smaller host preserves founder fraction more effectively), and no intervening bottlenecks (vs. the post-Columbian collapse and the Nephite-line collapse — friendlier to detection).

The results, verbatim from the paper:

"Out of the 1,000 simulated loci, 140 (14%) drifted to extinction within 100 generations."

Mean migrant allele frequency dropped to 1% (from 100% at founding). And:

"In 60% of individuals sequenced for 50 loci, we would not expect to find a single migrant allele," despite the allele being fixed in the founding population.

The authors' conclusion, stated as plainly as it can be:

"It must be remembered that drift is stochastic and that historic genetic parameters are, for the most part, unknown. Thus, the absence of specific genetic data is not conclusive evidence against historic admixture."[5:2]

The key word is stochastic. Drift is random; outcomes are probabilistic. A founding allele has a non-trivial chance of going extinct in any generation, and over 100 generations these chances compound. Even in a simulation that is friendlier to detection on most relevant variables than the Lehite case, the founding signal becomes undetectable across most individuals. Adjust the parameters toward the Lehite scenario in the directions that matter most — much larger host, longer time depth, additional bottlenecks — and detection becomes substantially harder still.

Lineage extinction — the Llamas et al. (2016) finding ​

A particularly important secular paper for this debate is Bastien Llamas et al., "Ancient Mitochondrial DNA Provides High-Resolution Time Scale of the Peopling of the Americas," published in Science Advances in 2016.[24]

The method: 92 whole mitochondrial genomes recovered from pre-Columbian South American skeletons dating from 8,600 to 500 years before present. 84 unique haplotypes were identified.

The headline finding, verbatim from the paper:

"All of the ancient mitochondrial lineages detected in this study were absent from modern data sets, suggesting a high extinction rate."[24:1]

The major Native American founding haplogroups (A, B, C, D, X) absolutely persist in modern populations — that is not in dispute. What Llamas et al. found is that every distinct fine-grained haplotype (i.e., specific sub-lineage sequence variant) recovered in their 92-skeleton South American sample is absent from the modern reference databases. This is sub-haplogroup-level extinction within a regional sample, sampled against contemporary reference databases that admittedly under-represent some indigenous populations.

If the specific sub-lineage variants present in the Americas just 500 years ago — known to have existed, documented by skeletal remains — are now absent from modern reference databases, then the expectation that we should detect specific sub-lineage variants from a small Near Eastern family that arrived 2,600 years ago and intermixed with a much larger existing population is not a reasonable scientific test. It is a test that the modern Native American reference set cannot pass for many pre-Columbian ancestors, regardless of origin. The CES Letter ignores this finding entirely.

The Iceland precedent — Helgason 2009 ​

Iceland provides one well-documented real-world demonstration of rapid drift on the founder-mtDNA pool. Helgason et al. 2009, published in PLoS Genetics, sequenced mtDNA from 68 medieval Icelandic skeletons (~1,000 years old).[25]

Iceland was settled around 870 AD by Norse and Celtic colonists with detailed genealogical records — Iceland is famous for its sagas and lineage records. The conditions for tracing founder DNA forward are unusually favorable. Despite this, the researchers found:

"Due to a faster rate of genetic drift in the Icelandic mtDNA pool during the last 1,100 years, the sequences carried by the first settlers were better preserved in their ancestral gene pools than among their descendants in Iceland."[25:1]

Only 40.4% of the 57 ancient Icelandic haplotypes are represented in a contemporary Icelandic database of 816 sequences. About 60% are not detected in the contemporary reference database — suggesting effective extinction or near-extinction in modern Iceland — in approximately 35 generations. The ancient Icelandic mtDNA is now more closely related to mtDNA from contemporary Scotland, Ireland, and Scandinavia than to mtDNA in modern Iceland — the founders' own direct descendants.

The Gospel Topics Essay summarizes the broader Iceland finding directly: "A study in Iceland combining both genetic and genealogical data demonstrates that the majority of people living in that country today inherited mitochondrial DNA from just a small percentage of the people who lived there only 300 years ago."[2:6] John Butler — NIST Fellow, ranked the top high-impact U.S. author in legal medicine and forensic science by Thomson Reuters' ScienceWatch in 2011, and author of the standard textbook Forensic DNA Typing — pushes the point further: the Iceland data shows "the majority of the people living today in Iceland had ancestors living only 150 years ago that could not be detected based on the [patrilineal and matrilineal] DNA … yet the genealogical records exist showing that these people lived and were real ancestors."[6:1] Butler's professional assessment is unambiguous: "DNA information alone therefore cannot disprove or prove the Book of Mormon," and "reference samples are always needed to provide relevant results with any kind of DNA testing" — and we have no Lehi reference, no Sariah reference, no Ishmael reference.[6:2][4:2]

Iceland is not a direct numerical analog for the Lehite case (in Iceland the founders are the population; in the Lehite case the founders would never be the population — Lehite drift would compound against a much larger host). But Iceland demonstrates that even in the most favorable demographic scenario for tracing founder mtDNA forward, substantial drift-driven loss occurs at the haplotype level in just a thousand years.

The Phoenician comparison — Henry Harpending ​

A useful comparison from outside the LDS scholarly community: Henry C. Harpending was a Distinguished Professor of Anthropology at the University of Utah and an internationally recognized population geneticist (member of the National Academy of Sciences, 2007). Asked by Ugo Perego in correspondence whether 50 Phoenicians arriving 2,600 years ago in a region they then traded with for centuries would leave detectable DNA today, Harpending responded:

"I doubt that we would pick up [evidence of the Phoenicians] today at all… If they intermixed freely and widely… then the only trace would be an occasional strange stray haplotype. Even if we found such a haplotype we would probably assume it was the result of post-Columbian admixture."[3:3]

The Phoenicians were a major seafaring civilization. They established colonies throughout the Mediterranean. They left abundant archaeological evidence, written records, and visible cultural footprint. Their genetic trace, according to a recognized population geneticist at a secular research university, would be undetectable in modern populations of the regions they admixed with. If the Phoenicians are genetically invisible, the expectation that one family from Jerusalem is genetically visible after 2,600 years is unreasonable.

The Saqqaq Paleo-Eskimo precedent ​

Morten Rasmussen et al. (2010), published in Nature, sequenced a roughly 4,000-year-old genome from a Saqqaq individual in Greenland.[26] The sequencing revealed an entire population that had migrated to the Americas separately from earlier Native American founders — and left no living descendants. The Saqqaq culture occupied West Greenland for roughly 1,700 years (~2500 BCE to ~800 BCE), then vanished approximately 2,800 years ago without contributing detectable DNA to any modern Native American or Asian population.[27] Though the Saqqaq mechanism (near-isolation rather than absorption into a much larger host) differs from the Lehite scenario, the underlying point that whole populations can vanish from the modern Americas' detectable genetic record stands.[2:7][3:4]

The post-Columbian bottleneck ​

Even before asking about Lehite DNA specifically, the pre-Columbian gene pool of the Americas is not the gene pool that survived to be sampled by modern researchers. The Spanish conquest produced what the Gospel Topics Essay describes (quoting a 2008 expert summary) as a moment that "squeezed the entire Amerindian population through a genetic bottleneck."[2:8]

Estimates of population loss between 1492 and 1650 cluster around 90%.[11:1][12:1] In Mexico alone, the population dropped from approximately 25 million in 1519 to roughly 2.5 million by 1570 — a roughly 90% decline within ~50 years.[11:2] A bottleneck of this magnitude eliminates countless lineages. Even if a small Lehite signal had survived 2,000+ years of drift to reach the year 1500, the bottleneck of 1492–1650 alone could plausibly have erased it.

Genealogical vs. genetic ancestry — Rohde, Olson, Chang (2004) ​

A foundational mathematical insight that the CES Letter never engages: there is a difference between being someone's genealogical ancestor and being someone's genetic ancestor.

Douglas L. T. Rohde, Steve Olson, and Joseph T. Chang, "Modelling the Recent Common Ancestry of All Living Humans," Nature 431 (2004), demonstrated that the most recent common genealogical ancestor of all currently living humans lived approximately 2,300–3,400 years ago. Beyond a slightly earlier point — the "identical-ancestors point" — every single individual alive at that time who has any descendants today is a genealogical ancestor of every single person alive today.[28]

The implication is striking: Lehi could be a genealogical ancestor of every Native American — and indeed of every human alive today — without contributing any detectable DNA whatsoever. After approximately 10 generations, a person has 1,024 genealogical ancestors but inherits DNA from only a fraction of them. After 100+ generations (Lehi's timeframe), the number of genealogical ancestors who contributed no detectable DNA dwarfs the number who did. Genealogical ancestry and genetic ancestry are mathematically distinct things, and they diverge sharply over time depths longer than a few centuries.

The 2006 introduction's wording — "among the ancestors" — is mathematically more accurate than "principal ancestors" and was always going to be more accurate, regardless of the Book of Mormon's historicity. This is not a Church concession to DNA criticism. It is a correction to a 1981 wording that had been imprecise from the start.

The Gospel Topics Essay states the principle directly:

"Portions of a population may in fact be related genealogically to an individual or group but not have DNA that can be identified as belonging to those ancestors. In other words, Native Americans whose ancestors include Book of Mormon peoples may not be able to confirm that relationship using their DNA."[2:9]

Worth Acknowledging

The Jaredite case stands apart from the Lehite/Mulekite cases. The Lehite and Mulekite parties were small groups absorbed into existing populations — exactly the scenario in which drift, founder effect, and lineage extinction operate most powerfully. The Jaredites, by the text's portrayal, were a major, long-lasting, dominant civilization — a different demographic regime in which the drift defenses are weaker. The fuller engagement is in the Jaredite scale problem section below.

The Limited Geography Model is not a post hoc rescue ​

The CES Letter's strongest implicit move is the suggestion that the Limited Geography Model (LGM) and the "others in the land" framework were invented to dodge DNA evidence. The Letter writes as if any apologetic reading more nuanced than "Lamanites = all Native Americans" must be a defensive retreat from external pressure. The historical record does not support this framing.

The textual case for "others in the land" — and the geographical case for a limited Mesoamerican setting — predates DNA criticism by 70+ years. The institutional Church's adoption of these readings did lag the scholarly Church's. But the readings themselves were not invented to absorb DNA evidence; they were articulated decades before DNA could possibly have been an issue.

Joseph Smith's 1841 endorsement of a Mesoamerican setting ​

Frederick Catherwood's 1840 drawing of the courtyard at the Palace of Palenque, showing carved stone reliefs, columns, and ancient Maya architecture in Chiapas, Mexico.
Frederick Catherwood's 1840 drawing of the Palace courtyard at Palenque — one of the Mesoamerican ruins documented in John L. Stephens's Incidents of Travel in Central America, Chiapas, and Yucatan (1841). On November 16, 1841, Joseph Smith wrote that Stephens's Mesoamerican volumes "correspond[] with & support[] the testimony of the Book of Mormon," placing a Mesoamerican reading on the table within his own lifetime. Via Wikimedia Commons.

In September 1841, John M. Bernhisel — a recent New York City convert — sent Joseph Smith a copy of John Lloyd Stephens' just-published Incidents of Travel in Central America, Chiapas, and Yucatan (1841), via Wilford Woodruff. Joseph received the books on October 6, 1841.[29]

On November 16, 1841, Joseph wrote Bernhisel a letter preserved in the Joseph Smith Papers. Joseph's response, verbatim:

"I received your kind present by the hand of Er. [Wilford] Woodruff & feel myself under many obligations for this mark of your esteem & friendship which to me is the more interesting as it unfolds & developes many things that are of great importance to this generation & corresponds with & supports the testimony of the Book of Mormon; I have read the volumes with the greatest interest & pleasure & must say that of all histories that have been written pertaining to the antiquities of this country it is the most correct luminous & comprihensive."[30]

Stephens' books are about Central America — specifically Chiapas, Yucatan, and Guatemala. Joseph said this Mesoamerican-focused archaeology "corresponds with & supports the testimony of the Book of Mormon." Joseph Smith himself, in 1841, treated a Mesoamerican setting for Book of Mormon events as supportable from the most current archaeology of his day — well over a century before DNA became a criticism. The LGM is not a 1985 apologetic invention; a Mesoamerican reading is consistent with statements Joseph made within his own lifetime (alongside other statements pointing toward broader continental geography — see the callout below).

The 1842 Times and Seasons editorials ​

Two unsigned 1842 editorials in the Times and Seasons — published while Joseph Smith was the editor of record — explicitly identified Mesoamerica as a Book of Mormon setting. The September 15, 1842 issue carried "Extract from Stephens' 'Incidents of Travel in Central America'" together with editorial commentary identifying the Mesoamerican setting:[31]

"Mr. Stephens' great developments of antiquities are made bare to the eyes of all the people by reading the history of the Nephites in the Book of Mormon. They lived about the narrow neck of land, which now embraces Central America, with all the cities that can be found."[31:1]

The follow-up "Zarahemla" editorial in the October 1, 1842 issue developed the Central American identification at greater length:

"It will not be a bad plan to compare Mr. Stephens' ruined cities with those in the Book of Mormon; light cleaves to light, and facts are supported by facts. The truth injures no one."[32]

"Central America, or Guatimala, is situated north of the Isthmus of Darien and once embraced several hundred miles of territory from north to south."[32:1]

The "narrow neck of land which now embraces Central America" is a direct LGM identification, published under Joseph Smith's editorship, in 1842. Whether Joseph personally drafted these editorials is debated. They were published under his editorial oversight in the Church's official organ. A Mesoamerican reading of Book of Mormon geography was therefore on the table within Joseph's lifetime — 160 years before DNA criticism emerged.

Worth Acknowledging

Joseph Smith's recorded statements on Book of Mormon geography are not internally uniform. The Bernhisel letter and the 1842 Times and Seasons editorials point toward Mesoamerica. The 1834 "Zelph" episode in Illinois — in which Joseph identified mound remains as belonging to "a white Lamanite" known "from the Hill Cumorah, or eastern sea, to the Rocky mountains" — together with the consistent identification of the Hill Cumorah as the New York drumlin and references in the Doctrine and Covenants (D&C 28, 30, 32) to U.S. Native American tribes as "Lamanites," point toward broader continental geography.[33] The historical record does not support a single, settled geographic view from Joseph. What it does support is the narrower point this article needs: a Mesoamerican reading was already on the table in Joseph's lifetime. The LGM is therefore not a 1985 post-hoc invention; it is one of multiple readings consistent with statements Joseph made within his own lifetime.

The Gospel Topics Essay cites this material approvingly, alongside Hugh Nibley's later work, as part of its case that LDS geographic understanding was always more sophisticated than blanket hemispheric assumption.[2:10]

Anthony W. Ivins, First Presidency, 1929 General Conference ​

Black-and-white portrait of Anthony W. Ivins in suit and tie, circa 1921, when he served in the First Presidency of The Church of Jesus Christ of Latter-day Saints.
Anthony W. Ivins, photographed in 1921 while serving in the First Presidency. In April 1929 General Conference, eight years after this portrait was taken, Ivins declared from the pulpit that the Book of Mormon "does not tell us that there was no one here before" the Lehites — 73 years before the DNA critique entered Mormon studies. Via Wikimedia Commons.

The single most important pre-DNA prophetic statement on the question is Anthony W. Ivins, then a member of the First Presidency, in April 1929 General Conference:

"The Book of Mormon teaches the history of three distinct peoples, or two peoples and three different colonies of people, who came from the old world to this continent. It does not tell us that there was no one here before them. It does not tell us that people did not come after."[34]

This was 73 years before Murphy's "Lamanite Genesis" essay (2002), 75 years before Southerton's Losing a Lost Tribe (2004), and 77 years before the 2006 introduction change. The Gospel Topics Essay quotes this passage. A First Presidency member, in General Conference, in 1929, explicitly affirmed that the Book of Mormon does not claim Lehite peoples were the sole or principal ancestors of Native Americans.

The pre-DNA scholarly chain ​

Ivins's 1929 statement is not an isolated outlier. It sits in an unbroken chain of pre-DNA LDS scholarship:

  • B. H. Roberts (1909, 1920s): Acknowledging the text does not exclude other peoples — Roberts wrote that "if such other races or tribes existed then the Book of Mormon is silent about them" and that none of the Lehite or Mulekite records record contact with them.[35]
  • Janne Sjodahl (1921): "The Book of Mormon has nothing to say about the occupation of America by man before the Jaredites."[36]
  • Anthony W. Ivins (1929): the General Conference statement quoted above.[34:1]
  • Hugh Nibley (1952): Lehi in the Desert, the Improvement Era "Jaredite" series — argues for Asian Jaredite origins and broader migration patterns.[37]
  • John Sorenson (1984): Two-part Ensign series, "Digging into the Book of Mormon: Our Changing Understanding of Ancient America and Its Scripture" (Sept–Oct 1984) — published under official Church imprint.[38]
  • John Sorenson (1985): An Ancient American Setting for the Book of Mormon (Deseret Book/FARMS) — the foundational book-length LGM treatment.[39]
  • John Sorenson (1992): "When Lehi's Party Arrived in the Land, Did They Find Others There?" Journal of Book of Mormon Studies 1/1 — pre-dates DNA criticism by a decade and consolidates the textual case for "others in the land."[9:2]
  • Matthew Roper (2003): "Nephi's Neighbors: Book of Mormon Peoples and Pre-Columbian Populations," FARMS Review 15/2 — the comprehensive review of the textual evidence.[10:2]
  • John Sorenson and Matthew Roper (2003): "Before DNA," Journal of Book of Mormon Studies 12/1 — the title alone announces the chronological priority. Pre-DNA scholarly review of the textual case.[40]
The LDS "others in the land" scholarly chain, 1909–2014A horizontal timeline from 1900 to 2020 plotting nine LDS scholarly milestones articulating the "others in the land" reading of the Book of Mormon (Roberts 1909, Sjodahl 1921, Ivins 1929, Nibley 1952, Sorenson 1984 Ensign, Sorenson 1985 Ancient American Setting, Sorenson 1992 JBMS, Roper 2003, Sorenson-Roper "Before DNA" 2003), the Murphy 2002 DNA critique, the 2006 Book of Mormon introduction change, and the 2014 Gospel Topics Essay. Seven of the nine scholarly milestones predate the Murphy critique by 13 to 93 years; a dashed vertical divider at 2002 marks the watershed.Seven of nine "others in the land" scholarly milestones predate the Murphy DNA critique1900192019401960198020002020Murphy 20021909B.H. Roberts"if such other races…"1921Sjodahl"nothing to say aboutearlier occupation"1929IvinsGen. Conference)(First Presidency,1952NibleyLehi in the Desert1984/85SorensonEnsign series +Anc. American Setting1992Sorensonothers there?""Did Lehi find2003Roper + Sorenson–Roper"Nephi's Neighbors" / "Before DNA"2006Introchange2014Gospel TopicsEssayLDS scholarship — "others in the land"DNA critique enters Mormon studiesInstitutional Church action
The textual position the 2006 introduction adopted — that Lehites were "among the ancestors" rather than "principal ancestors" — was articulated by LDS scholars beginning in 1909 and developed continuously through 2003. Seven of the nine scholarly milestones (Roberts through Sorenson 1992) predate the Murphy 2002 critique by 13 to 93 years. The institutional Church corrected slowly; the scholarly Church corrected long before DNA was an issue.

The scholarly framework that answers the DNA criticism was in place 70+ years before the criticism existed. Daniel C. Peterson at the 2014 FAIR Conference summarized the position: the LGM "has been created because the Book of Mormon demands it… This sort of thing has been in the works for a long time, before there was any talk about DNA, before the discovery of the DNA double-helix model."[41]

The 1981 introduction backstory ​

Daniel C. Peterson's 2014 FAIR Conference talk reports — based on an unpublished committee history Peterson says he saw — that the 1981 introduction's "principal ancestors" wording was internally questioned by committee members at the time, who objected on textual grounds and were overruled.[41:1] This is a single secondary account of an unpublished committee process; a skeptical reader is right to weight it accordingly. The broader argument does not depend on it. What the broader argument does depend on — the 1909–2003 published scholarly chain documenting the "others in the land" reading, the 1929 Ivins First Presidency statement, the textually-supported nature of the 2006 revision — is independently verifiable in primary sources.

The 1830 Book of Mormon, additionally, had no introduction at all. The current preface (1981, with the McConkie wording) and the chapter headings (1920) are editorial additions, not part of the canonical scriptural text.[42] The CES Letter cites the introduction-page wording as if it were scripture-level Church teaching. It was always editorial frontmatter, never canonized in any form. Correcting an editorial preface is not the same as altering scripture.

Worth Acknowledging

The institutional Church's adoption of the LGM lagged the scholarly Church's. Through much of the 20th century, the institutional Church operated under hemispheric assumptions even while LDS scholars were arguing differently. Spencer W. Kimball's "Of Royal Blood" (Ensign, July 1971) said "the term Lamanite includes all Indians and Indian mixtures, such as the Polynesians, the Guatemalans, the Peruvians, as well as the Sioux, the Apache, the Mohawk, the Navajo, and others."[43] Gordon B. Hinckley dedicated temples in Latin America and the Pacific for "the children of Lehi."[44] The Indian Student Placement Program (1947–1996) was an institutional embodiment of universal Lamanite identification.

The institutional correction (2006 introduction; 2014 essay) did follow the DNA criticism in time. The CES Letter's institutional-timing observation is a fair line of inquiry. Where the CES Letter overreaches is in collapsing the scholarly correction (which preceded DNA) and the institutional correction (which followed it) into a single causal narrative of capitulation. This admission strengthens the broader case: if the LGM had been invented to dodge DNA, there would be no Joseph Smith Bernhisel letter, no 1842 Times and Seasons editorials, no Ivins 1929, no Roberts, no Sjodahl, no Nibley 1952, no Sorenson 1984, no Sorenson 1992. The historical record shows a slow institutional adoption of a pre-existing scholarly position — not the construction of a new defensive position.

What the Book of Mormon text itself describes ​

Beyond the historical record of the LGM scholarship, the Book of Mormon text itself — in its 1830 form, before any DNA debate could possibly have shaped its wording — describes a scenario consistent with a small founding migration absorbed into a larger existing population. The text does not require the LGM, but it accommodates it more naturally than the hemispheric reading.

Mormon's "pure descendant of Lehi" (3 Nephi 5:20) ​

"I am Mormon, and a pure descendant of Lehi."

The phrase makes no rhetorical sense if everyone Mormon writes for is a pure descendant of Lehi. It is meaningful only if pure Lehite descent is unusual among the surrounding population. Mormon is essentially saying: I'm one of the rare ones. By Mormon's time (~AD 350), this is direct textual evidence that most "Nephites" and "Lamanites" were not of pure Lehite ancestry — exactly the demographic situation in which Lehite genetic markers would have been overwhelmingly diluted.[45]

Sherem appears from outside the colony (Jacob 7:1–4) ​

"And now it came to pass after some years had passed away, there came a man among the people of Nephi, whose name was Sherem… [H]e had a perfect knowledge of the language of the people; wherefore, he could use much flattery, and much power of speech…"

Sherem appears in the Nephite community a generation or two after Lehi, with full mastery of the language and theological sophistication. Jacob notes "I had not known of him." Where did he come from? The text offers no internal explanation — but the existence of "others in the land" provides one.[9:3]

Lamanite population growth (Jarom 1:6) ​

"And they were scattered upon much of the face of the land, and the Lamanites also. And they were exceedingly more numerous than were they of the Nephites; and they loved murder and would drink the blood of beasts."

By Jarom's time (~430 BC), barely 170 years after Lehi's arrival (~600 BC), the Lamanites are described as "exceedingly more numerous" than the Nephites. From a few sons of Laman and Lemuel and a few sons of Ishmael (whose sons sided with Laman), this is biologically impossible without absorption of pre-existing populations. Roper (2003) "Nephi's Neighbors" calculates this in detail: a single founding family cannot produce a population this large in this timeframe absent extensive intermarriage with existing peoples.[10:3]

The narrow neck — a day-and-a-half's journey (Alma 22:32) ​

"[A]nd now, it was only the distance of a day and a half's journey for a Nephite, on the line Bountiful and the land Desolation, from the east to the west sea."

The "narrow neck" is a day and a half's journey wide. Roughly 30 miles. This is not continental geography; this is regional geography. The Book of Mormon's described landscape is consistent with a Mesoamerican setting (the Isthmus of Tehuantepec is approximately 130 miles, but several internal features fit narrower features within Mesoamerica) and inconsistent with a hemispheric reading that would require crossing the Isthmus of Panama in a day and a half. This is 1830 textual evidence — not a 1985 retrofit.[9:4][46]

Key Point

The textual case for limited geography is internal to the 1830 Book of Mormon. It cannot be a 1985 apologetic rescue of the text against DNA evidence, because the relevant verses were already in the published Book of Mormon a century and a half before DNA was an issue.

Other textual indicators ​

KnoWhy #435 catalogs nine textual indicators that the Book of Mormon's peoples were not the only inhabitants of their land:[47]

  • Rapid Nephite population growth that cannot be explained by a single founding family
  • Sherem's outsider characteristics and language mastery (Jacob 7:3–4)
  • Mulekite language corruption in just 400 years (Omni 1:17) — implausible for an isolated population of pure Mulekite descent, easy if mixed with locals
  • "Lamanitish servants" (Alma 17:26) and "Ishmaelitish women" (Alma 3:7) as ethnic categories distinct from "Lamanite" simpliciter
  • The people of Zarahemla outnumbering the Nephites at first contact (Mosiah 25:1–13)
  • Jacob's olive tree allegory (Jacob 5) describing grafting onto wild rootstock — a metaphor for absorbed peoples
  • 2 Nephi 1:5–11: Lehi's blessing promised the land "to all those who should be led out of other countries" — anticipating other migrations
  • Apparent dialect/cultural distinctions within "the Nephites" and "the Lamanites" inconsistent with single-family descent
  • The post-Mosiah expansion of "Nephite" and "Lamanite" identity into political/cultural rather than strictly genealogical categories

The text describes what the LGM proposes. The only thing that genuinely changed in 2006 was the introduction page — a piece of editorial frontmatter — being brought into closer alignment with what the text itself had always said.

The 2006 introduction change in context ​

The CES Letter's central rhetorical move on this topic is the post-hoc construction: "Why did the Church change the … introduction page in the 2006 edition Book of Mormon, shortly after the DNA results were released?" The framing implies causation by temporal proximity without explicitly claiming it.

The "conceded" framing of the Gospel Topics Essay deserves separate comment. The word implies an opponent admitting something against interest. But the Gospel Topics Essay is not a confession; it is a scholarly analysis explicitly engaging the science and explaining why DNA evidence neither confirms nor disproves the Book of Mormon. The essay's actual statements — "DNA studies cannot be used decisively to either affirm or reject the historical authenticity of the Book of Mormon" and "Nothing is known about the DNA of Book of Mormon peoples" — are scientifically careful, not defensive.[2:11] Reframing scholarly analysis as concession is a rhetorical move, not a fair summary.

For a reader genuinely interested in the strongest version of the criticism, the more rigorous sources are Murphy's "Lamanite Genesis" (2002) and "Simply Implausible" (2003); Southerton's Losing a Lost Tribe (2004) and "DNA Uber-Apologetics" (2005); Murphy and Baca's 2020 chapter; and the secular population-genetics literature this article cites. The apologetic literature in turn (Perego/Ekins, Butler/Perego, Stacey/Sheffield/Crandall, Sorenson, Roper, Peterson) addresses these arguments directly. The CES Letter's slogan-plus-insinuation does not.

The strongest critical arguments ​

The CES Letter's two-paragraph slogan is not the strongest version of the DNA criticism. The article's job is not to refute the slogan; it is to engage the strongest scholarly version of the criticism honestly.

The credentialed critical voices are real and sober. Thomas W. Murphy holds a PhD in anthropology and chairs the anthropology department at Edmonds Community College; his foundational essay "Lamanite Genesis, Genealogy, and Genetics" (in Vogel and Metcalfe, eds., American Apocrypha, 2002) introduced the population-genetics critique into mainstream Mormon studies.[48] His 2003 Dialogue article "Simply Implausible" remains the most direct rebuttal of LDS limited-geography defenses; Murphy argues that "the population growth attested in the Book of Mormon is mathematically impossible for groups of the size and make-up described in the text," concluding that "a limited geography for the Book of Mormon anywhere in the Americas is, in sum, simply implausible."[49] Murphy and Angelo Baca's 2020 chapter in Harris and Bringhurst's The LDS Gospel Topics Series integrates the population-genetics critique with a settler-colonial structural argument.[50] Simon Southerton holds a PhD in plant genetics, was an LDS bishop before resigning his membership, and wrote Losing a Lost Tribe: Native Americans, DNA, and the Mormon Church (Signature Books, 2004) and "DNA Uber-Apologetics" (Sunstone 138, August/September 2005). His central argument is that LDS DNA apologetics give too much weight to drift, founder-effect, and lineage-extinction defenses while not honestly accounting for the gap between those defenses and what the institutional Church actually taught about universal Lamanite identity for over a century.[51][52]

The article must engage these voices' strongest arguments, not the CES Letter's weaker presentation.

The Lehite-side scale problem (Helaman 3:8, 11:20, Mormon 6) ​

Murphy's "Simply Implausible" mounts the population-scale challenge most directly on the Lehite side, not just the Jaredite side. The article must engage the Lehite verses head-on rather than concede only the easier Jaredite case.

The relevant text:

  • Helaman 3:8 describes Nephite-and-Lamanite expansion: "they did multiply and spread, and did go forth from the land southward to the land northward, and did spread insomuch that they began to cover the face of the whole earth."
  • Helaman 11:20 describes the post-judgment recovery: "the people of Nephi began to prosper again in the land, and began to build up their waste places, and began to multiply and spread, even until they did cover the whole face of the land, both on the northward and on the southward, from the sea west to the sea east."
  • Mormon 6:9–15 describes the climactic battle at Cumorah, with Nephite forces organized into twenty-three military units of ten thousand each — and Lamanite armies described as overwhelming in number.

These are not Jaredite verses. They describe Lehite-descended populations on the Lehite-side timeline. They are exactly the verses Murphy invokes to argue that "small group absorbed into a much larger host" cannot be the whole apologetic answer, because the text itself describes Lehite-descended populations spreading over "the whole face of the land" and supplying military forces of substantial scale.

The honest apologetic engagement, paragraph by paragraph:

On "Lehite" identity becoming a political/cultural category. The Book of Mormon's own usage of "Nephite" and "Lamanite" shifts away from strictly genealogical descent and toward political and religious categories well before Helaman 3. By the late Mosiah period the people of Zarahemla (Mulekites, who outnumbered the Nephites at first contact, per Omni 1:14–19 and Mosiah 25) have been politically incorporated as "Nephites." By Alma's day "Lamanitish servants" (Alma 17:26) and "Ishmaelitish women" (Alma 3:7) appear as ethnic categories distinct from "Lamanite simpliciter." The "whole face of the land" being filled with "Nephites and Lamanites" in Helaman 3:8 / 11:20 therefore is consistent with Lehite-descended people having absorbed substantial earlier populations and having become identifiable by political and religious affiliation rather than by founding genealogy. This is not a dodge; it is the text's own usage. Roper, "Nephi's Neighbors" develops this argument in detail on textual grounds.[10:4] "Nephite/Lamanite" by Helaman's day does not mean "person of pure Lehite descent."

On the Mormon 6 figures. The Mormon 6:9–15 numbers — twenty-three Nephite units of 10,000 — are military force counts, not census of Nephite-descended populations. Even so, the order of magnitude (perhaps 230,000+ Nephite combatants alone) does not square with descent from a single sixth-century-BC family unless either (a) population numbers in the text follow the rhetorical-inflation conventions characteristic of ancient Near Eastern and Mesoamerican military and census reporting, or (b) "Nephite" by AD 385 is a political-religious affiliation absorbing many earlier and contemporary peoples — or some combination of both. Sorenson, Mormon's Codex, treats both possibilities at length.[53]

On Helaman 3:8 specifically. "Cover the face of the whole earth" and "began to spread upon all the face of the land" are formulaic biblical phrases (compare Genesis 1:28, 9:1, 11:9; the same formula recurs throughout the Hebrew Bible). They mean expansion of a regional people across a meaningful territory. They do not require continental-scale demography. The geography sections of this article and the geography article develop the Mesoamerican territorial frame within which "the face of the land" is a coherent regional formula.

Where the apologetic answer is honest about its limits. None of the above eliminates the underlying question. If "Nephite/Lamanite" is doing political-and-religious work, the text's "expanded Lehite peoples" are most of the host population by demographic mass — overwhelmingly composed of pre-existing peoples with their own DNA, which is what we observe in modern Native American populations. The apologetic position is not that the text is "small" in the sense of "a few dozen Lehites at AD 385." It is that the text describes a small founding genetic input, a much larger host population at the start, and political-and-religious categories absorbing the host into a "Lehite" identity by the Helaman period. The math of detection does the work the apologetic position needs it to do — even when the cultural-political population is substantial.

The Jaredite scale problem ​

The Jaredite case is the hardest single concession in the article. The text describes Jaredites as a major civilization persisting roughly 1,500+ years before the climactic destruction in Ether 15, in which Coriantumr "saw that there had been slain by the sword already nearly two millions of his people"[54] — and for most of that span the text portrays them as the dominant population in their region, not a small enclave swamped by a host. "Small group absorbed into a larger host" therefore does not apply on the Lehite-friendly terms; the apologetic answer cannot fully resolve the difficulty.[55]

The autosomal-DNA detection threshold ​

The technically most sophisticated steelman argument concerns the limits of autosomal DNA detection.

The argument runs: mtDNA traces a single maternal lineage and Y-chromosome traces a single paternal lineage; both can be erased by drift. But autosomal DNA is inherited from all ancestors and integrated across the genome by recombination. It is more resistant to total erasure. Modern haplotype-based admixture-detection methods, particularly Hellenthal et al. (2014)'s GLOBETROTTER methodology, can identify admixture events at the 5% level reaching back several thousand years.[56] Chacon-Duque et al. (2018) used these methods on 6,500+ Latin Americans and identified small Sephardic Jewish ancestry signals — but dated them to ~10 generations ago (post-Columbian Converso migration), not pre-Columbian.[57] When indigenous samples were screened to exclude post-Columbian admixture, the Mediterranean component disappeared. Therefore, the argument concludes, if a 600 BC Lehite signal at any meaningful level were present, GLOBETROTTER-style methods would detect it.

Where the argument has real weight: detection thresholds are real. Apologists who rely on a generic "drift erased it" defense without engaging the autosomal-DNA literature are not addressing the strongest case.

Where the argument has limits — what the article must say honestly:

  • GLOBETROTTER's overall ~94% detection power was validated against specific admixture parameters. For sources contributing only 5% of total DNA, accuracy degraded; ~40% of low-contribution scenarios yielded elevated false-positive rates for inferring multiple admixture times.[56:1]
  • No published study has modeled detection power for the specific Book of Mormon parameters: a founding group of ~30, a host population in the millions, a 2,600-year time depth, and intervening catastrophic bottlenecks (post-Columbian collapse plus pre-Columbian wars described in the BoM itself).
  • The expected Lehite signal at 100 generations of recombination would consist of chromosomal tracts on the order of 0.01 cM or less — well below GLOBETROTTER's demonstrated sensitivity for tract identification.
  • The Converso study screened modern Latin Americans (with significant post-Columbian European/African admixture, which adds noise), not unbroken-pre-Columbian-ancestry indigenous populations.

The honest position: given what we know about the parameters, current methods cannot rule out a Lehite-scale event — but no published study has proven this directly. The faith position rests on a quantitative claim that is plausible but not directly tested. The article does not pretend otherwise.[3:5]

The unfalsifiability charge ​

The most intellectually serious version of the DNA criticism, mounted most carefully by Murphy and Baca (2020), is the unfalsifiability charge.[50:1]

The trajectory:

  • Pre-2000s: Lamanites = principal ancestors of all Native Americans (1981 introduction).
  • 2002: Murphy publishes the genetic critique.
  • 2004: Southerton publishes book.
  • 2006: Introduction changed to "among the ancestors."
  • 2014: Gospel Topics Essay explains why DNA evidence is "inconclusive."
  • Current apologetic position: Lehites were too small a group, too long ago, absorbed into too large a population, for their DNA to be detectable.

The charge: each new piece of evidence is met with a further retreat that makes the claim progressively less testable. The current apologetic position renders the Book of Mormon's DNA-relevant claims effectively unfalsifiable.

The trajectory is real. The institutional Church's positions did shift in apparent response to scientific pressure, and "Lehite DNA might be undetectable due to drift in this specific scenario" is — strictly speaking — unfalsifiable by DNA evidence, in the sense that no DNA observation could confirm or refute it. But the charge conflates scholarly correction with institutional correction. The "others in the land" textual framework was developed by Sorenson and others before DNA criticism existed. The institutional adoption lagged the scholarship and tracked the criticism timeline — but the underlying textual position was not invented to dodge the science.

What needs saying clearly: the current apologetic position is unfalsifiable by DNA evidence specifically — but that's a fact about the limits of DNA methods given the parameters of the Lehite scenario, not a metaphysical claim that the Book of Mormon is untestable. The text remains testable on textual, archaeological, linguistic, and historical grounds. Nahom and Bountiful in Arabia (independently confirmed by archaeology and geography after Joseph Smith's death), chiasmus and Hebraisms in the text, the production-speed argument (270,000 words in ~60 working days), and the witnesses' testimony surviving disaffection from the Church are all empirical claims that can be evaluated.[58][59][60] "Unfalsifiable on this specific question" is a fair characterization of where DNA stands. "Unfalsifiable in principle" overreaches.

The institutional-timing pattern ​

The CES Letter's strongest fair criticism is the institutional-timing pattern. The Church's introduction change (2006) and Gospel Topics Essay (2014) did track external criticism, even though the underlying scholarship preceded the criticism by decades.

Critics are not wrong to note this. The institutional adoption lagged the scholarship. Through much of the 20th century, official Church discourse — General Conference talks, Sunday School manuals, the Indian Student Placement Program, prophetic statements — operated under hemispheric assumptions even while LDS scholars were arguing differently.[43:1][44:1] The institutional Church corrected slowly; the scholarly Church corrected quickly. The relationship between the two — and why institutional correction often lags scholarly correction in any large, hierarchical institution — is a real question that the article does not paper over. But the slow institutional adoption of an existing scholarly position is a different phenomenon from the construction of a new defensive position out of nothing.

The Hebraic-X2a hypothesis is correctly rejected ​

Some LDS apologists, particularly Heartland-model advocates Rod Meldrum and Wayne May, have claimed that mitochondrial haplogroup X2a is evidence of an Israelite-Lehite migration. This claim is rejected by mainstream LDS scholarship. It deserves a clean disambiguation here so readers do not conflate it with the actual apologetic position.

Mainstream LDS DNA scholarship — Perego, Butler, Whiting — explicitly rejects the X2a-as-Lehite argument. So does mainstream secular population genetics:[61][62][63]

  • Native American X2a is distinct from Old World X2. They share a common ancestor approximately 14,000–17,000 years ago — long before any plausible Book of Mormon migration.
  • Reidla et al. (2003), "Origin and Diffusion of mtDNA Haplogroup X," AJHG 73:1178–1190, established the X2a divergence date.[61:1]
  • Raff and Bolnick (2015), "Does Mitochondrial Haplogroup X Indicate Ancient Trans-Atlantic Migration to the Americas? A Critical Re-Evaluation," PaleoAmerica 1, no. 4: 297–304, summarize: "The idea that haplogroup X2a is derived from an ancient trans-Atlantic migration to the Americas has been repeatedly considered — and rejected — by anthropological geneticists over the last two decades." Their critique addresses the broader trans-Atlantic migration claim (which includes Solutrean and other hypotheses), and applies a fortiori to the more specific Israelite-migration variant.[62:1]
  • Perego in his BYU RSC chapter: "In order for X2a to fit within Book of Mormon chronology, the currently accepted molecular clocks would need considerable recalibration, or other samples from the Old World carrying additional mutations shared with the Native American X2a would be needed."[63:1] Perego does not advance X2a as evidence for the Book of Mormon.
  • Butler and Perego (2025) reject both the "X2a disproves the Book of Mormon" claim and the "X2a proves the Book of Mormon" claim, calling both positions "simplistic and uninformed."[4:3]

The article's position is the mainstream LDS scholarly position: the strong faithful case does not depend on X2a. It depends on (1) population genetics making any small Lehite signal undetectable in principle given the demographic parameters, and (2) the LGM as the textually correct reading of the Book of Mormon. The Heartland-X2a track is a fringe LDS apologetic position rejected by the actual practitioners of LDS DNA scholarship.

The settler-colonial critique ​

Murphy and Baca (2020) mount a sophisticated structural argument that the Book of Mormon "projects a nineteenth-century, settler colonial, stereotypical, racialized, social organization of civilized (Nephite) and savage (Lamanite) peoples back into the past," and that the act of claiming a Middle Eastern origin for Indigenous peoples is itself a form of epistemic colonialism — overriding Indigenous origin stories with a settler narrative. Even a "respectful" Limited Geography Model still inserts a Judeo-Christian narrative into Indigenous history without Indigenous consent.[50:2][64]

The Murphy-Baca structural argument does not reduce to "is the Book of Mormon historically true." Their concern is about the manner of narration, not just its accuracy. The Church's evolving relationship with Indigenous communities — including the discontinuation of the Indian Student Placement Program (formally ended in 1996), the receding of universal-Lamanite-identification rhetoric, the careful framing of the 2014 Gospel Topics Essay, and the Church's ongoing work with Indigenous Latter-day Saint communities — represents a real engagement with this kind of question, though one that is ongoing and properly belongs to the broader conversation between the Church and Indigenous communities. The historical-authenticity question is decided on textual, archaeological, linguistic, and witness grounds rather than on DNA; the structural critique stands on its own merits as a question about the manner of narrating Indigenous identity. Both questions deserve direct engagement; neither reduces to the other.

Positive case: what the evidence actually supports ​

Defense alone is not enough. The honest faithful position on DNA is not "the evidence is inconclusive, so let's hope." The honest faithful position is that the science of population genetics, properly understood, makes the absence of detectable Lehite DNA the precisely expected outcome — even if the Book of Mormon is true. And the broader evidentiary case for the Book of Mormon does not depend on DNA at all. It rests on textual, linguistic, archaeological, and witness evidence that is testable and that the Book of Mormon does survive.

The math actually works ​

Pillar one of the positive case is that population genetics, far from refuting the Book of Mormon, predicts the empirical pattern we observe. Stacey, Sheffield, and Crandall (2008) — peer-reviewed mainstream simulation in BMC Genetics — demonstrate that even a scenario that is friendlier to detection than the Lehite case in several relevant variables produces a signal that is statistically undetectable across most individuals.[5:3] Llamas et al. (2016) — a high-profile pre-Columbian aDNA study — demonstrate that all of the distinct sub-lineage haplotypes in a 92-skeleton South American sample are absent from modern reference databases, suggesting a high extinction rate at the fine-grained level.[24:2] Helgason et al. (2009) demonstrate that nearly 60% of founder mtDNA haplotypes from medieval Iceland are not represented in a modern reference database, even in 35 generations under unusually good genealogical-record conditions.[25:2] Harpending — Distinguished Professor at the University of Utah and member of the National Academy of Sciences — assesses that the Phoenicians would be undetectable today.[3:6] Rasmussen et al. (2010) and the Saqqaq case demonstrate that an entire population can occupy the Americas for over a thousand years and vanish without contributing detectable DNA.[26:1][27:1]

The empirical pattern across all of these is consistent: small, ancient, post-bottleneck populations are not detectable in modern DNA. The Lehite scenario is at the worst end of the detectability spectrum on every relevant variable. Asking why we don't see Lehite DNA is asking a question whose answer is built into the math regardless of the historical truth.

Pre-Columbian transoceanic contact is no longer dismissible as a category ​

Pillar two: the CES Letter writes as if pre-Columbian transoceanic migration is an extraordinary apologetic claim too implausible to take seriously. Mainstream genetics has now demonstrated that one such contact, at one point in pre-Columbian history and in one specific direction, did happen. Ioannidis et al. (2020), published in Nature, demonstrated by genome-wide analysis of 807 individuals that Polynesians and Native Americans had pre-Columbian contact around AD 1150–1230 — between Polynesia and the Pacific coast of South America.[23:1]

This does not prove a Lehite migration, and the article does not claim it does. The Ioannidis case is later (AD 1200, not 600 BC), in a different direction (Pacific basin, not trans-Atlantic from the Middle East), and in a more favorable detection regime (small host populations, no intervening continental-scale bottleneck) than the Lehite scenario. What it does is foreclose the rhetorical move that pre-Columbian transoceanic contact is itself absurd. The category is no longer dismissible.

The LGM is documented from before DNA was an issue ​

Pillar three: the historical record. Joseph Smith's 1841 endorsement of Stephens' Mesoamerican volumes, the 1842 Times and Seasons editorials under his editorship, B. H. Roberts (1909), Sjodahl (1921), Ivins (1929), Nibley (1952), Sorenson (1984/1985/1992), Roper (2003), and Sorenson & Roper "Before DNA" (2003) constitute an unbroken pre-DNA scholarly chain documenting the LGM and the "others in the land" framework.[30:1][31:2][32:2][34:2][40:1] The CES Letter's implicit "ad hoc rescue" charge fails on the historical record alone.

The Book of Mormon text fits the LGM internally ​

Pillar four: the 1830 text itself describes localized geography, rapid Lamanite population growth requiring absorption of existing peoples, "outsiders" appearing without explanation in the colony (Sherem), and Mormon's "pure descendant of Lehi" as a noteworthy claim that only makes sense if pure Lehite descent was unusual.[45:1][10:5] This is internal textual evidence from a text fixed in print before DNA criticism could possibly have shaped it.

Cumulative case framing — and what the apologetic shift on DNA actually is ​

Pillar five: the broader evidentiary case for the Book of Mormon does not rest on DNA. This needs candor about what the apologetic position has done over the past several decades. From the 19th century through much of the 20th, Church discourse treated Native American identity with Lehi as something the future would corroborate. When DNA arrived as a tool, it did not corroborate the broad way that earlier discourse implied. The apologetic position has accordingly contracted from "DNA will eventually corroborate Native American descent from Lehi" to "the DNA evidence is silent on the question, given the demographic parameters of the LGM, and the case for the Book of Mormon rests on other evidence."

This is a real shift, and critics are right to note that "the case rests on other evidence" is in part a position the Church has settled into rather than a position the Church always held. The contraction is a genuine recalibration of what the apologetic case was always going to be able to claim from DNA, given the demographic parameters of the actual text. It is not pretense that nothing changed.

What the contracted position does still claim is well-grounded. The Book of Mormon's textual content — Hebraisms, chiasmus, ancient Near Eastern literary forms (developed in the KJV errors article), Nahom and Bountiful confirmed by archaeology and geography in Arabia, internally consistent geography across a 270,000-word dictation, hundreds of details confirmed by scholarship decades or centuries later, the witnesses whose testimony survived disaffection from the Church — is the kind of evidence that does survive 2,600 years.[58:1][59:1][60:1] DNA, by contrast, demonstrably does not survive demographic dilution. The case for the Book of Mormon was therefore never going to be primarily a DNA case, given the demographic parameters of the actual text.

The archaeology article develops the population-scale evidence — including the 2018 PACUNAM LiDAR survey that revised peak Maya population estimates upward to 7–15 million, with extensive infrastructure (60,000+ previously undetected structures in a single 2,144 km² survey block). The anachronisms article develops the per-item evidence including pre-Columbian barley (confirmed 1983), Mesoamerican cement, the Vered Jericho sword (deliberately carburized steel at Laban's exact period and region), and the patterns of confirmed-since-1830 textual claims that make the cumulative case substantially harder for the critic than the per-item case suggests.

DNA is one expected absence among many present positive evidences. The CES Letter's question — "where is Lehi's DNA?" — is asking the wrong question. The right question is "what kind of evidence should we expect for an ancient migration of this size, age, and demographic scenario, and what kind do we actually have?" Population genetics says: not DNA — the math forbids it. Linguistic evidence: yes, present. Geographic evidence in Arabia: yes, present. Internal textual structure: yes, present. The DNA "absence" is what the math predicts; the positive evidences are what survive 2,600 years.

The Book of Mormon as anchor ​

Where this article gets genuinely difficult — the Jaredite scale problem, the institutional-timing pattern, the strict-philosophical unfalsifiability of the apologetic position on this specific question — there is a point worth remembering. The Book of Mormon was produced in roughly 60 working days by a 23-year-old Joseph Smith with a third-grade education, dictated without notes, with no substantive revisions during the dictation, with no whistleblowers among the many witnesses to the process (Emma Smith, Oliver Cowdery, David Whitmer, Martin Harris all maintained their testimonies of the translation method and the plates' reality, even when several left or were excommunicated from the Church), and with no credible naturalistic explanation that accounts for all the evidence.[60:2][65]

The CES Letter focuses on whether DNA can detect a small Israelite migration after 2,600 years. That question has a complicated answer: probably not, for population-genetics reasons unrelated to the Book of Mormon's historicity. The other question — how Joseph Smith produced a 270,000-word text with consistent internal geography, complex narrative structure, authentic ancient literary forms (chiasmus, colophons, waw consecutives, Hebraic word order), Nahom and Bountiful confirmed by independent archaeology and geography in Arabia, and hundreds of details confirmed by scholarship decades or centuries later — has no clean naturalistic answer. The textual evidence, the witness evidence, and the production circumstances are the kind of evidence that does survive — and on those, the Book of Mormon delivers.

Assessment ​

The CES Letter's DNA argument is, in its actual text, a slogan plus an insinuation. The strongest version of the argument — found in Murphy, Southerton, and the autosomal-DNA literature — is more sophisticated and deserves serious engagement.

The honest assessment, stated plainly:

1. The empirical finding that most Native American DNA traces to East Asian and Beringian sources is not in dispute. The Church does not dispute it; the Gospel Topics Essay explicitly affirms it. This is settled science.

2. The further claim that "DNA analysis has concluded" the Book of Mormon is false rests on a methodological error. The science of population genetics — through founder effect, drift, lineage extinction, and post-Columbian bottleneck — predicts that a small migration of roughly 30 people 2,600 years ago, absorbed into a much larger existing population and subjected to multiple subsequent bottlenecks, would not leave a detectable signal in modern DNA. This prediction holds regardless of whether the migration happened. The Llamas et al. (2016) finding that fine-grained pre-Columbian mtDNA haplotypes are absent from modern reference databases, even within a 500-year window, confirms the principle empirically at the sub-lineage level. The Stacey/Sheffield/Crandall (2008) simulation confirms it mathematically. The Iceland data confirms it in the most genealogically well-documented founder population available. The Phoenicians, by Henry Harpending's assessment, would themselves be undetectable.

3. The 2006 introduction change tracked, but was not invented in response to, DNA criticism. The textual position the change adopted — that Lehites were "among the ancestors" rather than "principal ancestors" — was articulated by LDS scholars beginning in 1909 and developed continuously through 2003. The 1929 Anthony Ivins First Presidency statement explicitly affirmed the position 73 years before Murphy's foundational critical paper. The institutional Church corrected slowly; the scholarly Church corrected long before DNA was an issue.

4. The Limited Geography Model is documented from primary sources well before DNA criticism existed. Joseph Smith's 1841 Bernhisel letter and the 1842 Times and Seasons editorials place Book of Mormon events in Mesoamerica, not across two continents. The CES Letter's implicit "ad hoc rescue" charge fails on the historical record.

5. The Book of Mormon text itself — in its 1830 form — describes a small founding population in localized geography absorbed into a larger existing population. Mormon's "pure descendant of Lehi" only makes sense if pure Lehite descent was unusual. The narrow neck is a day and a half wide. Sherem appears from outside the colony. The Lamanites are "exceedingly more numerous" than the Nephites in 170 years. The text fits the LGM internally; the LGM is not retrofitted to the text.

6. Where the steelman case is genuinely strong — the Jaredite scale problem, the autosomal-DNA detection threshold (where no published study has modeled the exact Book of Mormon parameters), the strict-philosophical unfalsifiability of the apologetic position on DNA specifically, and the institutional-timing pattern — the article does not paper over the difficulty. These are real tensions. The honest answer in each case is more careful than dismissive.

7. Pre-Columbian transoceanic contact is now mainstream science. Ioannidis et al. (2020) demonstrates that small founder groups can cross oceans and leave detectable traces under favorable parameters. The Lehite scenario is at the unfavorable end of every relevant variable, but the general phenomenon is no longer in dispute.

8. DNA evidence is genuinely neutral on the Book of Mormon. It cannot decisively refute the text given the demographic parameters the text describes. It does not affirmatively support the text either. The CES Letter's "case closed" framing is unwarranted; symmetric apologetic claims that DNA actually points toward the Book of Mormon are also unwarranted.

9. The broader case for the Book of Mormon does not depend on DNA and was never going to. The textual, archaeological, linguistic, and witness evidence — none of which DNA touches — is where the question is actually decided. The cumulative case framing is the right framing.

The CES Letter's argument depends on a hemispheric reading the text never required, a blank treatment of the actual science of population genetics, and an institutional-timing insinuation that collapses the scholarly chronology (which preceded DNA by decades) and the institutional chronology (which lagged it) into a single narrative of capitulation. Each of these moves is, on the documentary record, wrong. The strongest version of the criticism has weight on the Jaredite case, the autosomal-detection threshold, and the institutional-timing observation. The article engages those honestly. None of them, individually or cumulatively, decides the question DNA cannot decide.

Where this leaves the reader: not with proof, but with the freedom to evaluate the Book of Mormon's truth claims on the evidence that actually bears on them — the text, the witnesses, the archaeology, the linguistics, the production circumstances — rather than on a science that, by its own internal logic, was never going to deliver a verdict here.

Further Reading

  • "Book of Mormon and DNA Studies," Gospel Topics Essays, The Church of Jesus Christ of Latter-day Saints (2014).
  • John M. Butler and Ugo A. Perego, Let's Talk About Misconceptions with DNA and the Book of Mormon (Deseret Book, 2025).
  • Ugo A. Perego and Jayne E. Ekins, "Is Decrypting the Genetic Legacy of America's Indigenous Populations Key to the Historicity of the Book of Mormon?" Interpreter 38 (2020): 355–390.
  • John L. Sorenson and Matthew Roper, "Before DNA," Journal of Book of Mormon Studies 12, no. 1 (2003): 6–23.
  • Scripture Central, "Why Hasn't Lehi's DNA Been Found?" KnoWhy #280.
  • For the related questions of archaeology, anachronisms, and geography, see the dedicated articles on this site.

Footnotes ​

  1. Runnells, CES Letter (2017), "Book of Mormon," no. 4, p. 11. ↩︎ ↩︎

  2. "Book of Mormon and DNA Studies," Gospel Topics Essays, The Church of Jesus Christ of Latter-day Saints, 2014. https://www.churchofjesuschrist.org/study/manual/gospel-topics-essays/book-of-mormon-and-dna-studies?lang=eng ↩︎ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎

  3. Ugo A. Perego and Jayne E. Ekins, "Is Decrypting the Genetic Legacy of America's Indigenous Populations Key to the Historicity of the Book of Mormon?" Interpreter: A Journal of Latter-day Saint Faith and Scholarship 38 (2020): 355–390. https://interpreterfoundation.org/journal/is-decrypting-the-genetic-legacy-of-americas-indigenous-populations-key-to-the-historicity-of-the-book-of-mormon-2/ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎

  4. John M. Butler and Ugo A. Perego, Let's Talk About Misconceptions with DNA and the Book of Mormon (Salt Lake City: Deseret Book, 2025). https://www.amazon.com/Lets-Talk-About-Misconceptions-Mormon/dp/1639933417 ↩︎ ↩︎ ↩︎ ↩︎

  5. Andrew Stacey, Nathan C. Sheffield, and Keith A. Crandall, "Calculating Expected DNA Remnants from Ancient Founding Events in Human Population Genetics," BMC Genetics 9 (2008): 66. https://doi.org/10.1186/1471-2156-9-66 ↩︎ ↩︎ ↩︎ ↩︎

  6. John M. Butler, "Addressing Questions Surrounding the Book of Mormon and DNA Research," FARMS Review 18, no. 1 (2006): 101–108. https://scripturecentral.org/archive/periodicals/journal-article/addressing-questions-surrounding-book-mormon-and-dna-research ↩︎ ↩︎ ↩︎

  7. V2.1 elaborated this two-step structure across several methodology paragraphs (lines 41–46): the LGM textual case and the population-genetics conditional are developed at length in the body sections below ("The Limited Geography Model is not a post hoc rescue" and "What the Book of Mormon text itself describes" for step 1; "What population genetics can and cannot detect" plus the simulation and case studies in the next section for step 2). The structure is two-step, not one-step: the textual case for LGM is argued from the 1830 text on its own terms; given the LGM, the population-genetics result follows. A one-step "DNA can't see Lehites because they would be hard to see" without the textual case would be circular; the textual case is the load-bearing claim. ↩︎

  8. Lehi's family is described in 1 Nephi 16:7 and elsewhere; the founding party included Lehi, Sariah, their sons (Laman, Lemuel, Nephi, Sam, Jacob, Joseph), Ishmael's family (Ishmael, his wife, sons, and daughters who married Lehi's sons), and Zoram. Estimates of the total founding party's size are typically 20–30 individuals; see Sorenson, "When Lehi's Party Arrived" (cited above) and Roper, "Nephi's Neighbors" (cited above) for the standard reconstructions. ↩︎

  9. John L. Sorenson, "When Lehi's Party Arrived in the Land, Did They Find Others There?" Journal of Book of Mormon Studies 1, no. 1 (1992): 1–34. https://scholarsarchive.byu.edu/jbms/vol1/iss1/2/ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎

  10. Matthew Roper, "Nephi's Neighbors: Book of Mormon Peoples and Pre-Columbian Populations," FARMS Review 15, no. 2 (2003): 91–128. https://publications.mi.byu.edu/pdf-control.php/publications/review/15/2/S00007-Nephis_Neighbors_Book_of_Mormon_Peoples_and_PreColumbian_Pop.html ↩︎ ↩︎ ↩︎ ↩︎ ↩︎ ↩︎

  11. Estimates of post-Columbian Native American population collapse cluster around 90% in heavily affected regions (Mexico, central Andes) within roughly 100–150 years of contact, with continent-wide estimates running as high as 95% over a longer 400-year horizon. For the Mexico-specific 90% figure, see Sherburne F. Cook and Woodrow Borah, Essays in Population History: Mexico and the Caribbean, 3 vols. (Berkeley: University of California Press, 1971–1979); for the broader continental estimates and methodological discussion, see David E. Stannard, American Holocaust: The Conquest of the New World (New York: Oxford University Press, 1992); William M. Denevan, ed., The Native Population of the Americas in 1492, 2nd ed. (Madison: University of Wisconsin Press, 1992); and David S. Jones, "Virgin Soils Revisited," William and Mary Quarterly 60, no. 4 (October 2003): 703–742. ↩︎ ↩︎ ↩︎

  12. Michael H. Crawford, The Origins of Native Americans: Evidence from Anthropological Genetics (Cambridge: Cambridge University Press, 1998). https://www.cambridge.org/core/books/origins-of-native-americans/0E2B7E5DEF6B98C6FE1B1F03DAD1AAB5 ↩︎ ↩︎

  13. David Reich et al., "Reconstructing Native American Population History," Nature 488 (2012): 370–374. https://reich.hms.harvard.edu/sites/reich.hms.harvard.edu/files/inline-files/2012_Nature_NativeAmericans.pdf ↩︎

  14. Erika Tamm et al., "Beringian Standstill and Spread of Native American Founders," PLoS ONE 2, no. 9 (2007): e829. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0000829 ↩︎ ↩︎

  15. Alessandro Achilli et al., "The Phylogeny of the Four Pan-American MtDNA Haplogroups: Implications for Evolutionary and Disease Studies," PLoS ONE 3, no. 3 (2008): e1764. https://pmc.ncbi.nlm.nih.gov/articles/PMC2258150/ ↩︎ ↩︎

  16. Ugo A. Perego et al., "The Initial Peopling of the Americas: A Growing Number of Founding Mitochondrial Genomes from Beringia," Genome Research 20, no. 9 (2010): 1174–1179. https://genome.cshlp.org/content/20/9/1174 ↩︎

  17. Maanasa Raghavan et al., "Upper Palaeolithic Siberian Genome Reveals Dual Ancestry of Native Americans," Nature 505 (2014): 87–91. https://doi.org/10.1038/nature12736 ↩︎

  18. Pontus Skoglund et al., "Genetic Evidence for Two Founding Populations of the Americas," Nature 525 (2015): 104–108. https://www.nature.com/articles/nature14895 ↩︎

  19. Cosimo Posth et al., "Reconstructing the Deep Population History of Central and South America," Cell 175, no. 5 (2018): 1185–1197. https://www.cell.com/cell/fulltext/S0092-8674(18)31380-1 ↩︎

  20. Kim-Louise Krettek et al., "A 6000-Year-Long Genomic Transect from the Bogotá Altiplano Reveals Multiple Genetic Shifts in the Demographic History of Colombia," Science Advances 11 (2025): eads6284. https://pmc.ncbi.nlm.nih.gov/articles/PMC12118548/ ↩︎

  21. Tiago Ferraz et al. (Cosimo Posth, corresponding author), "Genomic History of Coastal Societies from Eastern South America," Nature Ecology & Evolution 7, no. 8 (2023): 1315–1330. https://www.nature.com/articles/s41559-023-02114-9 ↩︎

  22. Marcos Araújo Castro e Silva et al., "Deep Genetic Affinity Between Coastal Pacific and Amazonian Natives Evidenced by Australasian Ancestry," PNAS 118, no. 14 (2021): e2025739118. https://www.pnas.org/doi/10.1073/pnas.2025739118 ↩︎

  23. Alexander G. Ioannidis et al., "Native American Gene Flow into Polynesia Predating Easter Island Settlement," Nature 583 (2020): 572–577. https://www.nature.com/articles/s41586-020-2487-2 ↩︎ ↩︎

  24. Bastien Llamas et al., "Ancient Mitochondrial DNA Provides High-Resolution Time Scale of the Peopling of the Americas," Science Advances 2, no. 4 (April 2016): e1501385. https://pmc.ncbi.nlm.nih.gov/articles/PMC4820370/ ↩︎ ↩︎ ↩︎

  25. Agnar Helgason et al., "Sequences From First Settlers Reveal Rapid Evolution in Icelandic mtDNA Pool," PLoS Genetics 5, no. 1 (2009): e1000343. https://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1000343 ↩︎ ↩︎ ↩︎

  26. Morten Rasmussen et al., "Ancient Human Genome Sequence of an Extinct Palaeo-Eskimo," Nature 463 (2010): 757–762. https://www.nature.com/articles/nature08835 ↩︎ ↩︎

  27. The Saqqaq culture is generally dated from c. 2500 BCE to c. 800 BCE — a duration of roughly 1,700 years — disappearing approximately 2,800 years before present. The Rasmussen et al. 2010 Nature paper sequenced a single individual approximately 4,000 years old (mid-Saqqaq); the population's overall span is the longer figure. See, e.g., Bjarne Grønnow, "The Frozen Saqqaq Sites of Disko Bay, West Greenland: Saqqaqniitsoq and Qeqertasussuk (2400–900 BC)" (2017), and the Wikipedia summary at https://en.wikipedia.org/wiki/Saqqaq_culture. ↩︎ ↩︎

  28. Douglas L. T. Rohde, Steve Olson, and Joseph T. Chang, "Modelling the Recent Common Ancestry of All Living Humans," Nature 431 (2004): 562–566. https://www.nature.com/articles/nature02842 ↩︎

  29. Wilford Woodruff delivered Stephens' Incidents of Travel in Central America, Chiapas, and Yucatan (1841) from John M. Bernhisel to Joseph Smith on October 6, 1841. See The Joseph Smith Papers, Documents series, for the contemporaneous correspondence. ↩︎

  30. Joseph Smith to John M. Bernhisel, November 16, 1841, in The Personal Writings of Joseph Smith, ed. Dean C. Jessee, rev. ed. (Salt Lake City: Deseret Book, 2002), 533. The Joseph Smith Papers Project hosts a transcript and image of the original. https://www.josephsmithpapers.org/paper-summary/letter-to-johnm-bernhisel-16november-1841/1 ↩︎ ↩︎

  31. "Extract from Stephens' 'Incidents of Travel in Central America,'" Times and Seasons 3, no. 22 (September 15, 1842): 911–915 (the editorial commentary on the Stephens extract, including the "Mr. Stephens' great developments of antiquities … narrow neck of land, which now embraces Central America" passage, falls on p. 915). Cited in similar format by the Gospel Topics Essay, footnote 8. Joseph Smith Papers Project hosts the issue: https://www.josephsmithpapers.org/paper-summary/times-and-seasons-15-september-1842/ ↩︎ ↩︎ ↩︎

  32. "Zarahemla," Times and Seasons 3, no. 23 (October 1, 1842): 927–928 (whole-number issue 59). https://www.josephsmithpapers.org/paper-summary/times-and-seasons-1-october-1842/ ↩︎ ↩︎ ↩︎

  33. On the Zelph episode and the multi-directional character of Joseph Smith's geographic statements, see Kenneth W. Godfrey, "What Is the Significance of Zelph in the Study of Book of Mormon Geography?" Journal of Book of Mormon Studies 8, no. 2 (1999): 70–79; and Matthew Roper, "Joseph Smith, Revelation, and Book of Mormon Geography," FARMS Review 22, no. 2 (2010): 15–85. These treatments document both the Mesoamerican-pointing 1841–1842 statements and the continental-pointing Zelph and D&C material, and discuss how the historical record sustains multiple readings rather than a single settled geographic view. ↩︎

  34. Anthony W. Ivins, Conference Report, April 1929 (Salt Lake City: The Church of Jesus Christ of Latter-day Saints), 15. Quoted in "Book of Mormon and DNA Studies," Gospel Topics Essays, footnote 7. ↩︎ ↩︎ ↩︎

  35. B. H. Roberts, Studies of the Book of Mormon, ed. Brigham D. Madsen (Urbana: University of Illinois Press, 1985; repr. Signature Books, 1992). Roberts wrote: "If such other races or tribes existed then the Book of Mormon is silent about them. Neither the people of Mulek nor the people of Lehi or after they were combined, nor any of their descendants ever came in contact with any such people, so far as any Book of Mormon account of it is concerned." See also discussion at https://bhroberts.org/. Roberts allowed for non-Lehite peoples in the Americas in writing dating from 1909 onward. ↩︎

  36. Sorenson and Roper, "Before DNA" (cited above), summarize Janne M. Sjodahl's 1921 statement that "The Book of Mormon has nothing to say about the occupation of America by man before the Jaredites" — part of the pre-DNA scholarly chain on the "others in the land" framework. See also Sjodahl, An Introduction to the Study of the Book of Mormon (Salt Lake City: Deseret News Press, 1927), as a contemporary book-length treatment. ↩︎

  37. Hugh W. Nibley, Lehi in the Desert, The World of the Jaredites, There Were Jaredites (Salt Lake City and Provo, UT: Deseret Book and FARMS, 1988); originally published in part as the Improvement Era "Jaredite" series, 1952. ↩︎

  38. John L. Sorenson, "Digging into the Book of Mormon: Our Changing Understanding of Ancient America and Its Scripture," Ensign, September 1984 and October 1984. https://www.churchofjesuschrist.org/study/ensign/1984/09/digging-into-the-book-of-mormon-our-changing-understanding-of-ancient-america-and-its-scripture ↩︎

  39. John L. Sorenson, An Ancient American Setting for the Book of Mormon (Salt Lake City: Deseret Book and FARMS, 1985). ↩︎

  40. John L. Sorenson and Matthew Roper, "Before DNA," Journal of Book of Mormon Studies 12, no. 1 (2003): 6–23. https://scripturecentral.org/archive/periodicals/journal-article/dna ↩︎ ↩︎

  41. Daniel C. Peterson, "Some Reflections on That Letter to a CES Director," FAIR Conference, August 2014. https://www.fairlatterdaysaints.org/conference/august-2014/reflections-letter-ces-director ↩︎ ↩︎

  42. The 1830 Book of Mormon contained no preface beyond Joseph Smith's brief title-page text; chapter headings were added in 1920 (under James E. Talmage's direction), and the current preface (the introduction page including the "principal ancestors" wording) was added in 1981. The 1981 introduction was drafted by Bruce R. McConkie and approved by the Scriptures Publication Committee — chaired by Thomas S. Monson and including Boyd K. Packer and McConkie, with W. James Mortimer serving as executive secretary. See Royal Skousen's textual-criticism work (e.g., The Book of Mormon: The Earliest Text [Yale University Press, 2009]) for the publication history of the canonical text and its editorial additions; and "New Edition of the LDS Scriptures Now Available," Ensign (October 1981), and contemporary Deseret News coverage, for the committee's composition. ↩︎

  43. Spencer W. Kimball, "Of Royal Blood," Ensign, July 1971. https://www.churchofjesuschrist.org/study/ensign/1971/07/of-royal-blood ↩︎ ↩︎

  44. Gordon B. Hinckley referred to "the children of Lehi" in dedicatory contexts for temples in Latin America and the Pacific, including the Guatemala City Temple (1984) and other dedications. Church News coverage of these dedications across the 1980s and 1990s documents the rhetorical pattern. ↩︎ ↩︎

  45. 3 Nephi 5:20: "I am Mormon, and a pure descendant of Lehi." On the rhetorical force of this phrase, see Sorenson, An Ancient American Setting (1985), and Roper, "Nephi's Neighbors" (2003). ↩︎ ↩︎

  46. For the comprehensive treatment of Book of Mormon geography and the Limited Geography Model, see the geography article on this site. ↩︎

  47. Scripture Central, "Did 'Others' Influence Book of Mormon Peoples?" KnoWhy #435, August 21, 2019. https://scripturecentral.org/knowhy/did-others-influence-book-of-mormon-peoples ↩︎

  48. Thomas W. Murphy, "Lamanite Genesis, Genealogy, and Genetics," in American Apocrypha: Essays on the Book of Mormon, ed. Dan Vogel and Brent Lee Metcalfe (Salt Lake City: Signature Books, 2002), 47–77. SSRN preprint: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3749665 ↩︎

  49. Thomas W. Murphy, "Simply Implausible: DNA and a Mesoamerican Setting for the Book of Mormon," Dialogue: A Journal of Mormon Thought 36, no. 4 (2003): 109–131. https://www.dialoguejournal.com/wp-content/uploads/sbi/articles/Dialogue_V36N04_129.pdf ↩︎

  50. Thomas W. Murphy and Angelo Baca, "DNA and the Book of Mormon: Science, Settlers, and Scripture," in The LDS Gospel Topics Series: A Scholarly Engagement, ed. Matthew L. Harris and Newell G. Bringhurst (Salt Lake City: Signature Books, 2020). SSRN preprint: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3950642 ↩︎ ↩︎ ↩︎

  51. Simon G. Southerton, Losing a Lost Tribe: Native Americans, DNA, and the Mormon Church (Salt Lake City: Signature Books, 2004). ↩︎

  52. Simon G. Southerton, "DNA Uber-Apologetics: Overstating Solutions, Understating Damages," Sunstone 138 (August 2005): 70–73. https://sunstone.org/wp-content/uploads/sbi/articles/138-70-73.pdf ↩︎

  53. John L. Sorenson, Mormon's Codex: An Ancient American Book (Salt Lake City: Deseret Book and Neal A. Maxwell Institute, 2013). ↩︎

  54. Ether 15:2 (LDS edition): "He saw that there had been slain by the sword already nearly two millions of his people, and he began to sorrow in his heart; yea, there had been slain two millions of mighty men, and also their wives and their children." https://www.churchofjesuschrist.org/study/scriptures/bofm/ether/15 ↩︎

  55. The honest apologetic answers on the Jaredite scale problem are reasonable but cannot be demonstrated from the text with certainty. They include: (1) that population numbers in ancient texts — including ancient Near Eastern and Mesoamerican texts — routinely follow rhetorical conventions that inflate military and census figures by orders of magnitude (Sorenson, Mormon's Codex, treats this at length); (2) that the Ether 15 destruction is itself a catastrophic bottleneck that would have eliminated most or all Jaredite descendants in a single generation; (3) that any Jaredite remnant integrated into later populations is subject to all the same drift mechanisms over 2,500+ additional years to the present. The Jaredite case is one place where the steelman case is genuinely strong and the apologetic answer is least clean. ↩︎

  56. Garrett Hellenthal et al., "A Genetic Atlas of Human Admixture History," Science 343, no. 6172 (2014): 747–751. https://www.science.org/doi/10.1126/science.1243518 ↩︎ ↩︎

  57. Juan Camilo Chacón-Duque et al., "Latin Americans Show Wide-Spread Converso Ancestry and Imprint of Local Native Ancestry on Physical Appearance," Nature Communications 9 (2018): 5388. https://www.nature.com/articles/s41467-018-07748-z ↩︎

  58. On Nahom and Bountiful as confirmed pre-Columbian Arabian sites, see S. Kent Brown, "On Nahom/NHM," in From Jerusalem to Zarahemla: Literary and Historical Studies of the Book of Mormon (Provo, UT: BYU Religious Studies Center, 1998); Warren P. Aston, Lehi and Sariah in Arabia: The Old World Setting of the Book of Mormon (XLibris, 2015); and the Bar'an Temple altar inscriptions excavated 1988–2001, dated to the 7th–6th century BC. ↩︎ ↩︎

  59. On chiasmus and Hebraisms in the Book of Mormon, see John W. Welch, "Chiasmus in the Book of Mormon," BYU Studies 10, no. 1 (1969): 69–84; Donald W. Parry, Poetic Parallelisms in the Book of Mormon: The Complete Text Reformatted (Provo, UT: Maxwell Institute, 2007); and the body of work on Hebrew literary forms in the Book of Mormon collected at https://scripturecentral.org/ ↩︎ ↩︎

  60. For documentation of the Three Witnesses and Eight Witnesses and their consistency under disaffection from the Church, see Richard Lloyd Anderson, Investigating the Book of Mormon Witnesses (Salt Lake City: Deseret Book, 1981); Steven C. Harper, "Evaluating Three Arguments Against Joseph Smith's First Vision," Mormon Historical Studies 9, no. 2 (Fall 2008); and the witnesses section on this site. ↩︎ ↩︎ ↩︎

  61. Maere Reidla et al., "Origin and Diffusion of mtDNA Haplogroup X," American Journal of Human Genetics 73 (2003): 1178–1190. https://www.cell.com/ajhg/fulltext/S0002-9297(07)61980-6 ↩︎ ↩︎

  62. Jennifer A. Raff and Deborah A. Bolnick, "Does Mitochondrial Haplogroup X Indicate Ancient Trans-Atlantic Migration to the Americas? A Critical Re-Evaluation," PaleoAmerica 1, no. 4 (2015): 297–304. https://doi.org/10.1179/2055556315Z.00000000040 ↩︎ ↩︎

  63. Ugo A. Perego, "The Book of Mormon and the Origin of Native Americans from a Maternally Inherited DNA Standpoint," in No Weapon Shall Prosper: New Light on Sensitive Issues, ed. Robert L. Millet (Provo, UT: BYU Religious Studies Center, 2011), 171–217. https://rsc.byu.edu/no-weapon-shall-prosper/book-mormon-origin-native-americans-maternally-inherited-dna-standpoint ↩︎ ↩︎

  64. The Murphy-Baca argument cannot be dismissed by saying the text doesn't use the vocabulary of nineteenth-century settler colonialism. Their argument depends on the structural relationship between a settler-origin religion narrating Indigenous history and the Indigenous communities whose histories are displaced. The Church's historical relationship with Indigenous peoples — universal Lamanite identification, the Indian Student Placement Program, prophetic rhetoric about "Israelite" heritage — is a real institutional history that the Church has been moving away from over the past several decades. Murphy and Baca argue that the act of claiming a Middle Eastern origin for Indigenous peoples overrides Indigenous origin stories with a settler narrative — independent of whether that narration is historically accurate. The apologetic response distinguishes two claims: whether a settler-origin religion has standing to narrate Indigenous identity at all (Murphy-Baca's structural concern), and whether the Book of Mormon is historically authentic (decided on textual, archaeological, linguistic, and witness grounds rather than DNA). If the Book of Mormon is historically authentic, the Lehite migration is a fact of Indigenous history regardless of how the narration sits with modern observers, and historical truth is not contingent on whose interests it serves. If it is not, the structural critique has substantially more force. ↩︎

  65. On the production circumstances of the Book of Mormon, see John W. Welch, "The Miraculous Translation of the Book of Mormon," in Opening the Heavens: Accounts of Divine Manifestations, 1820–1844, ed. John W. Welch (Provo, UT: BYU Studies, 2005); see also the book-of-mormon-translation section on this site. ↩︎

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