chromatids

chromatids

美 　英 [krəʊmæ'tɪdz]

• n.【生】染色单体
• 网络染色分体；染色丝；姐妹染色分体

词形变化

复数：chromatids  

英汉解释

n.	1. 【生】染色单体

英英解释

n.	1. either of the two strands into which a chromosome divides in the process of duplicating itself in cell division

例句

At the beginning of prophase the chromosomes each consist of two highly condensed chromatids attached to each other at a centromere .

分裂前期，高度浓缩的两个染色单体通过着丝粒连接在一起。

Alternatively, like allopolyploids, they may arise by the nondisjunction of chromatids during the mitotic division of a zygote.

与异源多倍体相似的是，它们也是在有丝分裂中合子的染色单体不分离形成的。

Next, during anaphase, the two sister chromatids of each chromosome split, and one from each pair is drawn toward each pole of the cell.

在分裂后期，两个姊妹单体分离，分别拽向细胞两极。

Throughout prophase I, sister chromatids behave as a unit and are identical except for the region where crossover occurred.

在减一前期，除了交叉互换的时候，姐妹染色单体是作为一个整体而且是相同的，除了交叉互换的片段。

In meiosis it is not until anaphase II that the centromere divides, the chromatids being termed daughter chromosomes after separation.

在减数分裂期间，直到分裂后期II两条染色单体才随着着丝点的分裂而彼此分开。更详细。

Anaphase The stage in mitosis or meiosis when chromatids are pulled toward opposite poles of the nuclear spindle.

在有丝分裂或者减数分裂过程中染色单体分别朝相反的两极运动。更详细。

In mitotic anaphase, sister chromatids split at their centromeres and are pulled apart toward opposite poles.

在有丝后期，姐妹染色单体由于着丝点的分裂而分开并且被拉向细胞的两极。

During mitosis, sister chromatids remain joined by their centromere until anaphase.

在有丝分裂期间，姐妹染色单体在分裂后期之前都是通过着丝点连接的。

In meiosis, the association of four homologous chromatids seen during the pachytene stage of prophase.

减数分裂前期的粗线期中，四个同源的染色单体向联系形成的结构。更详细。