Multiple Choice
Which of the following is most likely to occur during prophase II of meiosis?
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12. Meiosis
Meiosis II
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During which phase of Meiosis II do the sister chromatids separate into individual chromosomes and move toward opposite poles of the cell?
A
Telophase II
B
Metaphase II
C
Prophase II
D
Anaphase II
Verified step by step guidance1
Understand that Meiosis II is the second division in meiosis, which separates sister chromatids into individual chromosomes, similar to mitosis.
Recall the sequence of phases in Meiosis II: Prophase II, Metaphase II, Anaphase II, and Telophase II.
Focus on Anaphase II, where the key event is the separation of sister chromatids. This occurs when the centromeres split, and the spindle fibers pull the chromatids toward opposite poles of the cell.
Contrast this with the other phases: Prophase II involves chromosome condensation, Metaphase II involves alignment of chromosomes at the metaphase plate, and Telophase II involves the reformation of nuclear envelopes around the separated chromosomes.
Conclude that the phase during which sister chromatids separate and move to opposite poles is Anaphase II.
