Multiple Choice
In humans, where does meiosis normally occur to produce gametes?
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9. Mitosis and Meiosis
Meiosis
Multiple Choice
During metaphase II of meiosis, which event occurs in a typical animal cell?
A
Individual chromosomes (each consisting of sister chromatids) align at the metaphase plate.
B
Crossing over occurs between non-sister chromatids of homologous chromosomes.
C
Nuclear envelopes reform and the cell completes cytokinesis to produce four haploid cells.
D
Homologous chromosome pairs (tetrads) align at the metaphase plate.
Verified step by step guidance1
Recall the stages of meiosis and their key events, focusing on the differences between metaphase I and metaphase II.
Understand that during metaphase I, homologous chromosome pairs (tetrads) align at the metaphase plate, which is a key distinguishing feature of this stage.
Recognize that crossing over occurs during prophase I, not metaphase II, so it is not an event of metaphase II.
Note that nuclear envelope reformation and cytokinesis to produce four haploid cells happen after telophase II, not during metaphase II.
Conclude that during metaphase II, individual chromosomes, each consisting of two sister chromatids, align at the metaphase plate, preparing for their separation.
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