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chromatids

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复数：chromatids

chromatids

每个染色体包含染色单体(chromatids),2个染色单体上各有一个由特殊的DNA序列构成的文档日志暂无日志信息文档留言 >>> …

(B)5.染色分体(Chromatids)末分离且沿细胞赤道板排列，此属於细胞有丝分裂的：(A)前期 (B)中期 (C)后期 (D)末期。 (D)6.有关 …

...一前期(prophaseⅠ)，每一染色体的两条姊妹染色丝(chromatids)与其同源染色体的两条姊妹染色丝点接点地排列成行。

...生在有丝分裂中？ (A) 染色体排列在纺锤体中点(spindle midpoint)上 (B) 核膜消失 (C) DNA 合成 (D) 分离姐妹染色分体(chrom…

定义：有丝分裂(mitosis)中的一期，此时每一个染色体丝(chromatids)分开且移动到微管纺锤体(microtubular spindle)的相反两极。

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

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

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

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

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