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Q.

If an ovum, which is the product of meiosis, contains 20 picograms of DNA, how much DNA would be present in a meiocyte during the G2 phase? 

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a

120 pg

b

40 pg

c

20 pg

d

80 pg

answer is D.

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Detailed Solution

Ovum has half of the total DNA content of meiocyte. Therefore, c = 20 picogram. 

The G2 phase of the cell cycle has 4c amount of DNA. Therefore, the amount would be 20 X 4= 80picogram of DNA.

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