What Follows The Separation Of Homologs In The First Meiotic Division?

The separation of the homologs in the first meiotic division is immediately followed by entry into meiosis II. As in mitosis, the central function of meiosis II is to segregate sister chromatids, and the events of meiosis II are therefore closely related to those of mitosis—and are regulated by similar mechanisms. Homolog segregation in anaphase I is followed by disassembly of the first meiotic spindle. Soon thereafter, spindle pole bodies or centrosomes duplicate and separate to begin the construction of the second meiotic spindle. Sister-chromatid kinetochores, no longer fused as they are in meiosis I, are attached to the spindle with the correct bi-orientation.

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