云南4个少数民族8个Y-STR位点的多态分布

Polymorphism Distribution of 8 Y-STR Loci in Four Minority Populations in Yunnan of China

对云南蒙古族、纳西族、普米族和藏族 4个少数民族共 1 83份样本进行了 8个Y STR位点的多态性分析。结果显示 :4个民族都保留着较高的Y STR遗传多态性 ,在测出的 5 5个等位基因中共构建了 1 0 1种单倍型 ,其中蒙古族有 2 9种 ,纳西族有 1 7种 ,普米族有 2 6种 ,藏族有 4 5种。Rst距阵表明 ,云南蒙古族与普米族和纳西族的遗传距离最远 ,分别为 0 2 894 5和 0 2 5 86 2 ;云南藏族与普米族的遗传距离较远 ,为 0 2 0 1 0 9;云南藏族与纳西族的遗传距离最近 ,比其他民族两两之间的距离小 1个数量级 ,仅为 0 0 94 75。结合历史学和民族学对

The polymorphism distribution of 8 Y STR loci was detected in 183 samples from the Mongolian,Naxi,Pumi and Tibetan people in Yunnan.The results show that high polymorphisms of the Y STR loci were found in each of these four minority populations.Of the 101 genotypes constructed based on the 55 alleles detected,there are 29 in the Mongolian,17 in the Naxi,26 in the Pumi and 45 in the Tibetan people.According to the Rst matrix,the most significant divergence exists both in Mongolian Pumi and Mongolian Naxi,and the lowest divergence exists in Naxi Tibetan.