选择加快了群体基因频率的改变，青壳蛋性状确为由一对主效基因控制的完全显性遗传性状。
The result indicate that population gene frequency variety expedite by selection and the test testify green-shell character is controled by a pair of complete dominant allele.
随着新等位基因在每个群体中独立突变产生，它们在许多遗传位点上的等位基因频率逐渐变得越来越不同。
Their allele frequencies at numerous genetic loci gradually become more and more different as new alleles independently arise by mutation in each population.
目的：提出基因频率矩阵的图论主坐标分析方法，探讨该法在人类群体遗传结构研究中的应用。
Objective: To present the methodology of graph theory principle coordinates analysis and explore its applicability for studying human population genetic structure.
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