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Analysis of duo paternity testing
Author(s): 
Pages: 86-88
Year: Issue:  2
Journal: JOURNAL OF FORENSIC MEDICINE

Keyword:  单亲亲子鉴定联合非父排除率亲子概率遗传指标;
Abstract: 目的从理论和实际应用方面客观评价13~15个STR位点应用于单亲亲子鉴定的准确性.方法依据中国人群基因频率资料,计算单亲亲子鉴定的非父排除率及单亲亲子鉴定的亲子关系概率,并选择有明确排除结论的l04例排除案例,分析统计其中父-子二联体出现的排除指标数.结果对于单亲亲子鉴定,选用13~15个STR位点,联合非父排除率为0.9805~0.9906;亲子关系概率均大于99.73%.104例二联体排除案例中,有3例的排除指标数小于2,未发现排除指标为零的现象.结论若应用Profiler Plus和CofilerPlus试剂盒的13个STR位点进行日常单亲亲子鉴定工作,存在微弱漏判非父的风险,必要时增加检测指标数.不排除案例的单亲亲子鉴定,其亲子概率均可达国际认定标准.
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