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1483 Cases of Paternity Test with STR Loci Mutation
Author(s): SHUAI Li, WANG Jun, JING Qiang, XU Bin, SU Qin, LI Yun-juan, LI Hui
Pages: 44-
46
Year: 2014
Issue:
1
Journal: Journal of Forensic Medicine
Keyword: forensic genetics; mutation; parent-child relations; Yunnan;
Abstract: 目的 观察和分析PowerPlex(R) 18D试剂盒17个STR基因座在云南人群亲子鉴定中的突变现象.方法 应用Chelex-100法提取DNA,采用PowerPlex(R) 18D试剂盒检测1483例亲子鉴定结论为“肯定”的案例进行基因分型. 结果 1 483例中双亲三联体亲子鉴定1 047例,单亲二联体亲子鉴定436例,总共观察到2530次减数分裂.1 483例中共观察到24例有1个STR基因座发生突变.在17个STR基因座中观察到11个基因座存在突变现象. 结论 STR基因座突变是较为常见的现象,应不断积累STR基因座突变数据,选择其他多态性好、突变率低的遗传标记,以保证鉴定结果的准确可靠.
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