Multiple Choice
Meiosis produces which of the following outcomes in sexually reproducing organisms?
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9. Mitosis and Meiosis
Meiosis
Multiple Choice
What happens during anaphase II of meiosis?
A
Chromosomes align as homologous pairs (tetrads) at the metaphase plate.
B
Crossing over occurs between non-sister chromatids, producing chiasmata.
C
Homologous chromosomes separate and move to opposite poles of the cell.
D
Sister chromatids separate and move to opposite poles of the cell.
Verified step by step guidance1
Recall the stages of meiosis II, which resembles mitosis but starts with haploid cells.
Understand that during anaphase II, the key event is the separation of sister chromatids, unlike meiosis I where homologous chromosomes separate.
Recognize that sister chromatids are pulled apart by spindle fibers toward opposite poles of the cell during anaphase II.
Note that this separation ensures each daughter cell receives a single copy of each chromosome, maintaining the haploid number.
Contrast this with earlier stages: in metaphase I, homologous chromosomes align as tetrads, and crossing over occurs during prophase I, not anaphase II.
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