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Meiosis

If 2n = 8, wh...

Question

If 2n = 8, what shall be the number of chromatids in each daughter cell after meiosis I?

A

4

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B

16

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C

2

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D

8

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Solution

The correct option is D 8
In meiosis I, chromosomes in a diploid cell segregate, producing two haploid daughter cells. Each daughter haploid cell will have two chromoatids in each chromsome. Hence, if the mother cell has 8 chromosomes, after meiosis I the progeny cells will have 4 chromosomes. Each chromosome in daughter cells will have two chromatids. So, the required number of chromatids is 4 X 2 = 8.

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