Short tandem repeat ( STR) is one of the genetic polymorphic markers within the NRY region in Chromosome Y, which is also called microsatellite.

短串联重复（STR）是Y染色体NRY区的多态性遗传标记的一种，又称微卫星。

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Objective To study the genetic relationship (3 short tandem repeat gene loci, abbreviated as 3 STR gene loci) in 17 groups of Han population in China.

目的探讨中国17个汉族人群3个STR基因座的遗传关系。

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Objective:To investigate the relationship between the polymorphic CAG short-tandem repeat(STR) at the androgen receptor(AR) gene exon 1 and lung cancer.

目的：探讨人雄激素受体（AR）基因第一外显子CAG串联短重复序列（STR）多态性与肺癌发生之间的关系。

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