PCI Math Comp Biol

232

Title *

Genetic Evidence for Geographic Structure within the Neanderthal Populationuse asterix (*) to get italics

Authors *

Alan R. RogersPlease use the format "First name initials family name" as in "Marie S. Curie, Niels H. D. Bohr, Albert Einstein, John R. R. Tolkien, Donna T. Strickland"

Year *

2024

Picture *

Abstract *

PSMC estimates of Neanderthal effective population size (Ne)exhibit a roughly 5-fold decline across the most recent 20 ky before the death of each fossil. To explain this pattern, this article develops new theory relating genetic variation to geographic population structure and local extinction. It argues that the observed pattern results from subdivision and gene flow. If two haploid genomes are sampled from the same subpopulation, their recent ancestors are likely to be geographic neighbors and therefore coalesce rapidly. By contrast, remote ancestors are likely to be far apart, and their coalescent rate is lower. Consequently, Ne is larger in the distant past than in the recent past. New theoretical results show that modest rates of extinction cause substantial reductions in heterozygosity, Wright's FST, and Ne.

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https://doi.org/10.17605/OSF.IO/T4N3CYou should fill this box only if you chose 'Codes have been used in this study'. URL must start with http:// or https://

Keywords (optional)

effective population size; archaic hominins; geographic population structure; local extinction, Markov chains

Methods that require specific expertise (optional)

NonePlease indicate the methods that may require specialised expertise during the peer review process (use a comma to separate various required expertises).

Thematic fields *

Evolutionary Biology, Genetics and population Genetics

Suggested reviewers - Suggest up to 10 reviewers (provide names and Email addresses). (Optional)

Guillaume Achaz suggested: Guillaume Achaz

e.g. John Doe john@doe.com

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Submission date

2023-10-17 18:06:38

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Raquel Assis

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