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Mitosis and Meiosis

The amount of...

Question

The amount of DNA in a mammalian cell in early prophase I is x.
What is the amount of DNA in the same cell in anaphase I of meiosis?

A

x/4

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B

x/2

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C

x

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D

2x

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Solution

The correct option is C x
At prophase I, DNA replication has already occurred, and the original amount of DNA has been doubled to x. At anaphase I, the amount of DNA in the cell remains the same because no cytokinesis has occurred. As there is no change in the amount of DNA, the correct option is 'x'.

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Mitosis and Meiosis

Standard XII Biology

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