Oota H, Settheetham-Ishida W, Tiwawech D, Ishida T, Stoneking M
Max Planck Institute for Evolutionary Anthropology, Inselstrasse 22, D-04103 Leipzig, Germany.
Nat Genet. 2001 Sep;29(1):20-1. doi: 10.1038/ng711.
Genetic differences among human populations are usually larger for the Y chromosome than for mtDNA. One possible explanation is the higher rate of female versus male migration due to the widespread phenomenon of patrilocality, in which the woman moves to her mate's residence after marriage. To test this hypothesis, we compare mtDNA and Y-chromosome variation in three matrilocal (in which the man moves to his mate's residence after marriage) and three patrilocal groups among the hill tribes of northern Thailand. Genetic diversity in these groups shows a striking correlation with residence pattern, supporting the role of sex-specific migration in influencing human genetic variation.
人类群体之间的基因差异通常在Y染色体上比在线粒体DNA上更大。一种可能的解释是，由于广泛存在的从夫居现象（即女性婚后搬到丈夫家居住），女性与男性的迁移率更高。为了验证这一假设，我们比较了泰国北部山地部落中三个从妻居群体（即男性婚后搬到妻子家居住）和三个从夫居群体的线粒体DNA和Y染色体变异情况。这些群体中的遗传多样性与居住模式呈现出显著的相关性，支持了特定性别的迁移在影响人类基因变异方面的作用。
