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12.08.2020 •
Chemistry
During which phase do the centromeres split, allowing the two linked chromatids to separate?
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Ответ:
Anaphase
Explanation:
The centromere splits during the anaphase of the cell division. Thus, allowing the two linked chromatids to separate.
A typical chromosome is made up of two sister chromatids joined together by a structure known as the centromere. During cell division - at the metaphase stage - the chromosomes align at the equator of the cell, forming the metaphase plate. The spindle from the opposing ends of the cell engages each chromosome at the kinetochore of the centromere.
At the anaphase stage, the centromere splits, leading to the separation of the sister chromatids of each chromosome. The sister chromatids of the same then start migrating in the opposite direction as a result of the shortening of the spindle fiber.
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