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PowerPlex21 系统在亲子鉴定中的应用评估
引用本文:陈玲,邱平明,陆慧洁,黄恩平,余嘉欣. PowerPlex21 系统在亲子鉴定中的应用评估[J]. 中国司法鉴定, 2014, 0(2): 58-60
作者姓名:陈玲  邱平明  陆慧洁  黄恩平  余嘉欣
作者单位:1. 南方医科大学法医学系
2. 南方医科大学司法鉴定中心,广东广州,510515
摘    要:目的评估PowerPlex21系统20个STR基因座在亲子鉴定中的检验能力。方法用PowerPlex21系统检测1 704例亲子鉴定,评估该系统在亲子鉴定中的排除能力和突变率。结果采用PowerPlex21系统,累积非父排除率和累积个体识别力均大于0.999 999 999 999 999 999 999 999 999 999。1704例亲子鉴定中有265例排除亲子关系,最常见为8~10个基因座排除;44例表现为1个STR基因座突变。结论 PowerPlex21系统用于亲子鉴定是高效的。

关 键 词:法医遗传学  亲子鉴定  STR  PowerPlex21系统

Assessment of Powerplex21 System's Application in Paternity Testing
CHEN Ling,QIU Ping-ming,LU Hui-jie,HUANG En-ping,YU Jia-xin. Assessment of Powerplex21 System's Application in Paternity Testing[J]. Chinese Journal of Forensic Sciences, 2014, 0(2): 58-60
Authors:CHEN Ling  QIU Ping-ming  LU Hui-jie  HUANG En-ping  YU Jia-xin
Affiliation:(Department of Forensic Science, Southern Medical University, Guangzhou 510515, China; Center of Forensic Science Southern Medical University, Guangzhou 510515, China)
Abstract:Objective To assess the power of PowerPlex21 system in paternity testing. Methods 1704 paternity testing cases were studied with PowerPlex21 system, and the exclusion power and mutation rate of the PowerPlex21 system were analysed. Results The cumulated chance of exclusion and the cumulated discriminating power were both more than 0.999 999 999 999 999 999 999 999 999 999. 265 out of 1704 cases were excluded, which often showed 8-10 exclusion loci. Gene mutation was observed in 44 cases. Conclusion PowerPlex21 system was highly effective for paternity testing.
Keywords:forensic genetics  paternity testing  STR  PowerPlex21 System
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