| 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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