姐妹染色体，指染色体在有丝分裂和减数分裂间期复制，后期分离后形成的两条染色单体。一对姐妹染色体包含的遗传物质是相同的。
姐妹染色体互换 sister chromatid exchange ; SCE
姐妹染色体交换 sister chromatid exchange ; SCE
姐妹染色单体 [遗] sister chromatid ; sister r chromatid
端粒姐妹染色体交换 telomere sister-chromatid exchange ; T-SCE
姐妹染色体交换率 sister chromati d exchange
通过姐妹染色体交换 sister chromatid exchange
姐妹染色单体交换 sister chromatid exchange ; SCE
非姐妹染色单体 [遗] non-sister chromatid
姐妹染色单体互换试验 chromatid exchange assay ; sister-chromatid exchange assay ; sister chromatid exchange assay
姐妹染色单体互换 sister chromatid exchange ; SCE
本文用人体外周血淋巴细胞微核和姐妹染色体互换试验研究酸角的抗突变作用。
Antimutagenici effects of tamarind were studied with micronucleus and sister-chromatid exchange tests in human peripheral blood lymphocytes.
着丝点是染色体的主缢痕，在这个地方姐妹染色单体连在一起。
Centromere is the primary constriction on the chromosome, a region at which the sister chromatids are held together.
染色体的主缢痕，使姐妹染色单体连在一起，在其两侧各有一个由蛋白构成的动粒。
Centromere --- The primary constriction on the chromosome, a region at which the sister chromatids are held together and at which the kinetochore is formed.
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