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目的探讨一例强奸案中的葡萄胎样本的DNA检验及结果分析。方法用Identifiler试剂盒对葡萄胎样本和受害人血样进行荧光复合STR基因座扩增并分型。结果该例的葡萄胎在15个STR基因座上分型均为纯合子,应属于单精子受精的完全性葡萄胎。结论葡萄胎类型多种,对应着不同的DNA分型,在实际案件的检验中应引起注意。
Objective To investigate DNA test and result analysis of a hydatidiform mole sample in a rape case. Methods Fluorescent composite STR loci were amplified and typed in the mole samples and the victim samples using the Identifiler kit. Results The hydatidiform mole in this case was homozygous for all 15 STR loci and should belong to the complete hydatidiform mole with single sperm fertilization. Conclusion There are many types of hydatidiform moles, corresponding to different types of DNA typing, and should be paid attention to in the examination of actual cases.