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PLoS Genet. 2007 Apr 20;3(4):e66. Epub 2007 Mar 13.

Genetic structure of chimpanzee populations.

Author information

1
Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America.

Abstract

Little is known about the history and population structure of our closest living relatives, the chimpanzees, in part because of an extremely poor fossil record. To address this, we report the largest genetic study of the chimpanzees to date, examining 310 microsatellites in 84 common chimpanzees and bonobos. We infer three common chimpanzee populations, which correspond to the previously defined labels of "western," "central," and "eastern," and find little evidence of gene flow between them. There is tentative evidence for structure within western chimpanzees, but we do not detect distinct additional populations. The data also provide historical insights, demonstrating that the western chimpanzee population diverged first, and that the eastern and central populations are more closely related in time.

PMID:
17447846
PMCID:
PMC1853122
DOI:
10.1371/journal.pgen.0030066
[Indexed for MEDLINE]
Free PMC Article

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