详细解释:n. 染色单体
【医】 染色半体, 染色单体
英语解释：
名词 chromatid:
one of two identical strands into which a chromosome splits during mitosis详细解释：
chro.ma.tid
n.（名词）Either of the two daughter strands of a duplicated chromosome that are joined by a single centromere and separate during cell division to become individual chromosomes.染色单体：染色体复制产生的两个单体中的一个，由细胞分裂过程中染色体在一个着丝点上分裂形成单个染色体