| 释义 |
chromatids
释义
n. [遗]染色单体；染色分体（chromatid 的复数）
例句
1·Centromere is the primary constriction on the chromosome, a region at which the sister chromatids are held together.
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。
2·Then each chromosome is formed by the two chromatids .
这时每条染色体已是由两条染色单体构成了。
3·Each chromosome in pachytene actually have been composed of two chromatids .
在粗线期每条染色体实际已由两条染色单体组成。
短语
1·sister chromatid
姊妹染色半体
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