During which phase of meiosis does crossing over take place?
Answer and explanation
Correct answer: D. Prophase I
- Step 1: Homologous chromosomes pair up and exchange segments in prophase I.
Answer
Prophase I.
Why not the others: Metaphase I: chromosomes line up at the equator but do not exchange segments. Anaphase II: sister chromatids separate in anaphase II. Telophase II: the nuclei re-form and the cells divide.
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