期刊
AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY
卷 137, 期 4, 页码 412-424出版社
WILEY
DOI: 10.1002/ajpa.20883
关键词
Y chromosome; mitochondrial DNA; founder effect; european contact; native American; migration; diffusion
资金
- National Science Foundation [0422144, RR05090]
- DGAPA, Universidad Nacional Autonoma de Mexico
- Direct For Social, Behav & Economic Scie
- Division Of Behavioral and Cognitive Sci [0422144] Funding Source: National Science Foundation
In this study, 231 Y chromosomes from 12 populations were typed for four diagnostic single nucleotide polymorphisms (SNPs) to determine haplogroup membership and 43 Y chromosomes from three of these populations were typed for eight short tandem repeats (STRs) to determine haplotypes. These data were combined with previously published data, amounting to 724 Y chromosomes from 26 populations in North America, and analyzed to investigate the geographic distribution of Y chromosomes among native North Americans and to test the Southern Athapaskan migration hypothesis. The results suggest that European admixture has significantly altered the distribution of Y chromosomes in North America and because of this caution should be taken when inferring prehistoric population events in North America using Y chromosome data alone. However, consistent with studies of other genetic systems, we are still able to identify close relationships among Y chromosomes in Athapaskans from the Subarctic and the Southwest, suggesting that a small number of proto-Apachean migrants from the Subarctic founded the Southwest Athapaskan populations. Am J Phys Anthropol 137:412-424, 2008. (C) 2008 Wiley-Liss, Inc.
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