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短串联重复序列(STR)是个体识别和亲子鉴定常用的遗传标记,虽然具有高度多态性和遗传稳定性,但也存在遗传突变的情况。据文献报道[1],STR发生突变的几率平均约为2×10-3。
Short tandem repeats (STRs) are common genetic markers for individual identification and paternity testing. Although highly polymorphic and genetically stable, there are also genetic mutations. According to the literature [1], STR mutation probability of an average of about 2 × 10-3.