Chromatid

染色单体

英文解释

Chromatids are single copies of chromosomes that are duplicated into two and joined by centromeres during cell mitosis.During meiosis, sister chromatids appear, sister chromatid exchange occurs.

中文解释

染色单体是在细胞有丝分裂过程中，染色体复制为两条并由着丝点连接的单拷贝。减数分裂过程中会出现姐妹染色单体，发生姐妹染色单体交换。

参考文献

[1]. Tumini E, et al. The Sister-Chromatid Exchange Assay in Human Cells. Methods Mol Biol. 2021;2153:383-393.