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中国畲族、锡伯族、壮族和藏族Penta E位点的遗传多态性
引用本文:孔铭华,王春雨,裴黎,涂政,马贵富,叶健.中国畲族、锡伯族、壮族和藏族Penta E位点的遗传多态性[J].遗传,2006,28(1):17-20.
作者姓名:孔铭华  王春雨  裴黎  涂政  马贵富  叶健
作者单位:(1.中国人民公安大学,北京 100038;2.唐山市公安局,唐山063000;3.公安部物证鉴定中心,北京 100038)
摘    要:

应用复合PCR扩增技术和荧光毛细管DNA自动电泳分型的方法,使用国产试剂盒,检测Penta E位点在中国畲族、锡伯族、壮族和藏族中的基因频率分布情况。获得了4个民族各约100名无关个体的Penta E位点的等位片段及基因型频率,共发现20个等位片段,其频率分布在0.0048~0.2396之间。各民族的平均杂合度为0.8838,平均个体识别力0.9748,平均非父排除率0.7635,平均多态信息总量0.8950。研究表明Penta E位点属高杂合度、高识别能力的遗传标记,是法庭科学亲子鉴定和个体识别的理想位点。

关 键 词:Penta  E位点  短串联重复序列  基因频率  Hardy-Weinberg平衡  精确检验  
文章编号:0253-9772(2006)01-0017-04
收稿时间:2004-12-09
修稿时间:2004年12月9日

Genetic Polymorphism of Penta E Locus in Four Chinese Nationalities
KONG Ming-Hua,WANG Chun-Yu,PEI Li,TU Zheng,MA Gui-Fu,YE Jian.Genetic Polymorphism of Penta E Locus in Four Chinese Nationalities[J].Hereditas,2006,28(1):17-20.
Authors:KONG Ming-Hua  WANG Chun-Yu  PEI Li  TU Zheng  MA Gui-Fu  YE Jian
Institution:(1.Chinese Peoples Public Security UniverisityBeijing 100038China;2. Police office of TangShang City, TangShang 063000,China3.Institute of Forensic ScienceMinistry of Public SeculityBeijing 100038China
Abstract:To study the genetic polymorphism of Penta E locus in four Chinese nationalities using home made reagent kits,DNA samples were obtained from about 400 unrelated peoples of four different Chinese nationalities.As a result,we found 20 alleles in the four nationalities with frequencies ranging from 0.0048 to 0.2396.The genotype frequencies of Penta E locus met Hardy-Weinberg equilibrium.It proved that Penta E locus was a high polymorphic STR genetic marker and was valuable for forensic science.
Keywords:Penta E site  short tandem repeat sequence  gene frequency  Hardy-Weinberg equilibrium  exactness test
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