Multiple Choice
In which process does crossing over occur during meiosis?
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12. Meiosis
Introduction to Meiosis
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During which stage of meiosis do the sister chromatids begin to move toward the poles?
A
Telophase I
B
Anaphase II
C
Anaphase I
D
Metaphase II
Verified step by step guidance1
Understand that meiosis is a type of cell division that reduces the chromosome number by half, resulting in four daughter cells. It consists of two stages: Meiosis I and Meiosis II.
Recall that during Meiosis I, homologous chromosomes are separated, while during Meiosis II, the sister chromatids are separated.
Review the stages of Meiosis II: Prophase II, Metaphase II, Anaphase II, and Telophase II.
In Anaphase II, the centromeres divide, and the sister chromatids, now individual chromosomes, begin to move toward opposite poles of the cell.
Recognize that the movement of sister chromatids toward the poles is a key event in Anaphase II, distinguishing it from other stages of meiosis.
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