Multiple Choice
During interphase prior to meiosis I, what key event occurs that is essential for the subsequent meiotic divisions?
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9. Mitosis and Meiosis
Meiosis
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During metaphase I of meiosis, which event occurs?
A
Sister chromatids separate and move to opposite poles as centromeres split.
B
DNA replication occurs to produce sister chromatids for each chromosome.
C
Homologous chromosome pairs (tetrads) align at the metaphase plate, with each homolog attached to spindle fibers from opposite poles.
D
Nuclear envelopes reform and chromosomes decondense, completing cytokinesis.
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