着丝点分裂
- 网络centric fission
着丝点分裂-
在减数分裂后期II，每条染色体的两个染色单体随着着丝点的分裂而彼此分开，由纺锤丝牵向两极。
During anaphase II the centromeres divide and single chromatids are drawn toward the poles , thus sister chromatids are separated .
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着丝点在有丝分裂染色体忠实地传递给子代细胞的过程中起重要作用，对于遗传物质的稳定性及生物的正常发育有重要影响。
Faithful segregation of chromosome to daughter cells during mitosis is critical for the stabilization of genetic materials and normal development of organism .