期刊
MOLECULAR ECOLOGY
卷 21, 期 20, 页码 4958-4969出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1365-294X.2012.05689.x
关键词
human genetic variation; migration distance; migration rate; patrilocality
资金
- Lesotho Ministry of Health and Social Welfare
- Lesotho Ministry of Local Government
- Lesotho Ministry of Tourism, Environment and Culture
- Boise Fund
- Rhodes Scholarship
In patrilocal groups, females preferentially move to join their mates paternal relatives. The gender-biased gene flow generated by this cultural practice is expected to affect genetic diversity across human populations. Greater female than male migration is predicted to result in a larger decrease in between-group differentiation for mitochondrial DNA (mtDNA) than for the non-recombining part of the Y chromosome (NRY). We address the question of how patrilocality affects the distribution of genetic variation in human populations controlling for confounding factors such as ethno-linguistic heterogeneity and geographic distance which possibly explain the contradictory results observed in previous studies. By combining genetic and bio-demographic data from Lesotho and Spain, we show that preferential female migration over short distances appears to minimize the impact of a generally higher female migration rate in patrilocal communities, suggesting patrilocality might influence genetic variation only at short ranges.
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