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Multiple Choice
During which stage of meiosis are homologous chromosomes aligned together at the metaphase plate?
A
Metaphase II
B
Anaphase I
C
Prophase II
D
Metaphase I
Verified step by step guidance
1
Recall the stages of meiosis, which include Meiosis I and Meiosis II, each with their own phases: Prophase, Metaphase, Anaphase, and Telophase.
Understand that during Meiosis I, homologous chromosomes pair up and undergo recombination during Prophase I, and then align together at the metaphase plate during Metaphase I.
Recognize that in Metaphase I, the homologous chromosome pairs (tetrads) line up side-by-side at the metaphase plate, which is distinct from Metaphase II where individual chromosomes line up.
Note that Anaphase I involves the separation of homologous chromosomes to opposite poles, while Prophase II and Metaphase II involve sister chromatids, not homologous pairs.
Therefore, the stage where homologous chromosomes are aligned together at the metaphase plate is Metaphase I.