An egg cell has 5 picogram of genetic material in its nucleus. What amount of material will be present in the organism at the end of $G_{2}$ -phase of mitosis?

5 gm

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5 picogram

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10 picogram

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20 picogram

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Solution

The correct option is B 20 picogram
The egg is haploid and contains 5 picogram of genetic material. It's an animal which must be diploid contains 10 picogram of genetic material. In S phase, the genetic material becomes double, therefore the amount of genetic material in $G_{2}$ phase will be 20 picogram.

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