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Genetic Variability and Phylogenetic Analysis of Han Population from Guanzhong Region of China based on 21 non-CODIS STR Loci

机译:基于21个非CODIS STR位点的关中地区汉族人群遗传变异及系统发育分析。

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摘要

In the present study, we presented the population genetic data and their forensic parameters of 21 non-CODIS autosomal STR loci in Chinese Guanzhong Han population. A total of 166 alleles were observed with corresponding allelic frequencies ranging from 0.0018 to 0.5564. No STR locus was observed to deviate from the Hardy-Weinberg equilibrium and linkage disequilibriums after applying Bonferroni correction. The cumulative power of discrimination and probability of exclusion of all the 21 STR loci were 0.99999999999999999993814 and 0.999998184, respectively. The results of genetic distances, phylogenetic trees and principal component analysis revealed that the Guanzhong Han population had a closer relationship with Ningxia Han, Tujia and Bai groups than other populations tested. In summary, these 21 STR loci showed a high level of genetic polymorphisms for the Guanzhong Han population and could be used for forensic applications and the studies of population genetics.
机译:在本研究中,我们介绍了中国关中汉族人群中21个非CODIS常染色体STR基因座的种群遗传数据及其法医参数。总共观察到166个等位基因,其对应的等位基因频率范围为0.0018至0.5564。应用Bonferroni校正后,未观察到STR基因座偏离Hardy-Weinberg平衡和连锁不平衡。所有21个STR基因座的鉴别力和排除概率分别为0.99999999999999999993814和0.999998184。遗传距离,系统树和主成分分析的结果表明,关中汉族人群与宁夏汉族,土家族和白族人群的关系比其他被试人群更为紧密。综上所述,这21个STR基因座在关中汉族人群中表现出较高的遗传多态性,可用于法医学应用和人群遗传学研究。

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