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Introgression Makes Waves In Inferred Histories Of Effective Population Size, John Hawks
Introgression Makes Waves In Inferred Histories Of Effective Population Size, John Hawks
Human Biology Open Access Pre-Prints
Human populations have a complex history of introgression and of changing population size. Human genetic variation has been affected by both these processes, so that inference of past population size depends upon the pattern of gene flow and introgression among past populations. One remarkable aspect of human population history as inferred from genetics is a consistent “wave” of larger effective population size, found in both African and non-African populations, that appears to reflect events prior to the last 100,000 years. Here I carry out a series of simulations to investigate how introgression and gene flow from genetically divergent ancestral populations …