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Three RFLPs at the D8S586 locus   总被引:1,自引:1,他引:0       下载免费PDF全文
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白雪  丛斌  李淑瑾  郭霞  李霞 《遗传》2009,31(4):381-386
为了调查D10S1248、D2S441、D1S1677、D9S1122、D10S1435等5个miniSTR(mini short tandem repeats)基因座在西北汉族人群中的遗传多态性、遗传稳定性及其在陈旧降解检材中的法医学应用价值, 文章采用荧光PCR和基因分型技术对西北汉族154份无关个体血样、10个家系血液样本及10份陈旧降解检材进行片段长度分析。在西北汉族人群中, 5个miniSTR基因座分别检测出了8、7、7、6、7个等位基因, 等位基因频率分布符合Hardy-Weinberg平衡定律, 杂合度(Heterozygosity, H)为0.662~0.792, 个人识别率(Power of discrimination, PD)为0.869~0.915, 非父排除率(Power of exclusion, PE)为0.382~0.585, 多态信息含量(Polymorphism informa-tion content, PIC)为0.650~0.750。家系和陈旧降解检材的研究表明, 5个miniSTR基因座具有高度的遗传稳定性, 可对陈旧降解检材DNA进行有效的分型。5个miniSTR基因座适合作为西北汉族人群的遗传标记, 用于陈旧降解检材的法医学个人识别和亲权鉴定案件中。  相似文献   

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Asp700 RFLP at the D8S45 locus   总被引:1,自引:0,他引:1       下载免费PDF全文
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Nicaraguans have become the most numerous and fastest increasing minority in Costa Rica: at present they represent around 6% of the total population of the country. We have analyzed the allele and genotype frequencies of six PCR-based genetic markers (LDLR, GYPA, HBGG, D7S8, GC, and HLA-DQA1) in 100 unrelated Nicaraguans living in Costa Rica. All loci studied were in Hardy-Weinberg equilibrium. Some statistical parameters of forensic interest were also calculated (h, PD and CE). Allele frequencies of the markers HLA-DQA1 and GYPA were found to be significantly different between the populations of Nicaragua and Costa Rica. Nevertheless, genetic distances showed that Nicaragua is close to other Hispanic-admixed populations like those from Argentina, Chile, Colombia, Costa Rica, and USA Hispanics. The loci set was assessed to be useful for paternity testing and individual identification in the Nicaraguan population residing in Costa Rica.  相似文献   

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