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Y-STR(short tandem repeat)基因座是遗传学[1]、法医学〔[2]和系谱学[3]研究中重要的遗传标记,商品化的Y-filer试剂盒同步检测DYS389II等17个Y-STR基因座,具有高度的多态性,但文献报道Y-STR的突变率较高[4],且单一基因座的突变就可导致整条Y染色体单倍型的改变。
The short tandem repeat locus is an important genetic marker in genetics [1], forensic medicine [2] and pedigree [3], commercialization of Y-filer kit for simultaneous detection of 17 Y -STR locus, with a high degree of polymorphism, but reported in the literature Y-STR mutation rate is high [4], and a single locus mutation can lead to the entire Y chromosome haplotype changes.