Multiple Choice
During anaphase I of meiosis, what separates and moves toward opposite poles of the cell?
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9. Mitosis and Meiosis
Meiosis
Multiple Choice
During meiosis I, do sister chromatids separate from each other?
A
No; homologous chromosomes separate during anaphase I, while sister chromatids remain together until meiosis II.
B
Yes; sister chromatids separate during anaphase I of meiosis.
C
No; neither homologous chromosomes nor sister chromatids separate during meiosis I.
D
Yes; sister chromatids separate during prophase I when crossing over occurs.
Verified step by step guidance1
Recall the stages of meiosis I and meiosis II, focusing on what separates during each phase.
Understand that meiosis I is the reductional division where homologous chromosomes (each consisting of two sister chromatids) pair up and then separate.
Recognize that during anaphase I, homologous chromosomes are pulled to opposite poles, but sister chromatids remain attached.
Note that sister chromatids only separate during meiosis II, specifically during anaphase II, which is the equational division.
Conclude that sister chromatids do not separate during meiosis I; instead, homologous chromosomes separate during anaphase I.
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