1.【生】染色单体
1.either of the two strands into which a chromosome pides in the process of duplicating itself in cell pision
1.The standard practice is to call the entire structure a chromosome and each of its strands a sister chromatid.
标准的做法是把整个结构称为一个染色体，而把它的各条称为姐妹染色单体。
2.Cross took place in between the two non-sister chromatid.
交叉发生在两条非姊妹染色单体之间。
3.The central axial area of each chromatid is a low electronic density region or chromatin free compartment , in which there are lots of RNP.
在染色体横切面中，可见染色体中央有一低电子密度的无染色质区，该区内有大量RNP物质。
4.Roundup causes increased frequency of sister chromatid exchanges in human lymphocytes (white blood cells), even at the lowest dose tested.
草甘膦除草剂农达在人类淋巴细胞（血液白细胞）中增加了发生姐妹染色体的频率，即便在试验的最低剂量。
5.Reach the poles, n the number of sub-chromosome, and each sub-chromosome composition of only one chromatid.
到达两极的子染色体为n数，并且每条子染色体只由一条染色单体构成。
6.METHODSTo determine the sister chromatid exchanges (SCE) of chronic alcoholism patients by peripheral blood culture.
应用外周全血淋巴细胞培养方法检测慢性酒精中毒患者淋巴细胞姐妹染色单体交换率。
7.Study on the impact of trinitrotoluene on sister chromatid exchange of Mocaca mulatta peripheral blood lymphocyte.
三硝基甲苯对恒河猴外周血淋巴细胞姐妹染色单体互换的影响。
8.Methods: The sister chromatid exchange (SCE) test in mice spermatogonia was used in the study.
方法：采用小鼠精原细胞姐妹染色单体交换实验。
9.The peripheral blood lymphocyte sister chromatid exchanges(SCE)of 50 rare-earth workers were reported, The frequency of SCE was 5.
本文报告了50例稀土作业工人外周血淋巴细胞姊妹染色单体互换（SCE）的观察结果，其SCE频率为5。
10.Micronucleus test and sister chromatid exchange assay were adopted to study the genetic damages of Na_2SeO_3 at 0.
采用蚕豆根尖微核实验和姊妹染色单体交换实验，研究亚硒酸钠（0。