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Polymorphism of STR loci D12S391、D18S865 in Wenzhou Han Population
Author(s): 
Pages: 85-87
Year: Issue:  2
Journal: JOURNAL OF FORENSIC MEDICINE

Keyword:  遗传多态性短串联重复序列聚合酶链式反应;
Abstract: 目的研究短串联重复序列D12S391、D18S865的遗传多态性及法医学应用价值.方法应用聚合酶链反应(PCR)、聚丙烯酰胺凝胶电泳(PAGE)及银染显带技术对温州地区汉族454名无关个体的D12S391、D18S865位点进行分型.结果D12S391观察到11个等位基因,50种基因型;D18S865观察到7个等位基因,21种基因型.基因型频率的分布符合Hardy-Weinberg平衡,两个基因座的观测杂合度(H)分别为0.7974、0.7379;个体识别能力(DP)分别为0.9566、0.9077;多态信息含量(PIC)分别为0.8260、0.727 9.结论两个STR基因座具有较高杂合度,等位基因分布符合Hardy-Weinberg平衡(P>0.5),在法医学应用和群体遗传学研究中较高的价值.
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