Question

In which step of meiosis do chromosomes first condense?

Answer 1

Answer:

prophase I

During prophase I, the chromosomes condense and become visible inside the nucleus. Because each chromosome was duplicated during the S phase that occurred just before prophase I, each now consists of two sister chromatids joined at the centromere.

Explanation:

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Answer 2

Answer:

Prophase.

Explanation:

Prophase is the first stage in mitosis, occurring after the conclusion of the G2 portion of interphase. During prophase, the parent cell chromosomes - which were duplicated during S phase - condense and become thousands of times more compact than they were during interphase.

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