How many chromatids are present in the chromosomes during metaphase and G₁ phase of the cell cycle?

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Metaphase- 4 chromatids, G₁ phase- 2 chromatids

Metaphase- 2 chromatids, G₁ phase- 1 chromatid

Metaphase- 4 chromatids, G₁ phase- 4 chromatids

Metaphase- 8 chromatids, G₁ phase- 4 chromatids

answer is B.

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Detailed Solution

The metaphase chromosomes has two sister chromatids attached at the same centromere. During the G₁ phase, the DNA did not undergo replication and therefore has only one chromatid per chromosome.

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