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。
Single point analysis of 43 polymorphic markers screened from 12 chromosomes identified a total of 15 markers that were significantly associated with the indices mentioned above.
从水稻12条染色体上筛选出43个多态性标记，对上述指标分别作点分析，共检出15个连锁标记。
However, for the two pairs of NILs different in Pp, the polymorphic markers for the two parents were detected as well as in nontarget segments of chromosomes 11 and 12, respectively.
2对黑、褐近等基因系除了目标区段外，还分别在第11、12染色体检测到了多态性标记，近等性较差。
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