Multiple Choice
During what phase of meiosis do homologous chromosomes separate?
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12. Meiosis
Introduction to Meiosis
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During which phase of meiosis do homologous chromosomes pair up?
A
Anaphase I
B
Prophase I
C
Metaphase I
D
Telophase I
Verified step by step guidance1
Understand that meiosis is a type of cell division that reduces the chromosome number by half, creating four haploid cells. It consists of two stages: Meiosis I and Meiosis II.
Recognize that homologous chromosomes are pairs of chromosomes, one from each parent, that are similar in shape, size, and genetic content.
Identify the phases of Meiosis I: Prophase I, Metaphase I, Anaphase I, and Telophase I.
Recall that during Prophase I, homologous chromosomes pair up in a process called synapsis, forming structures known as tetrads.
Note that the pairing of homologous chromosomes is crucial for crossing over, which increases genetic diversity, and this occurs during Prophase I.
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