Question

plzzzz help me......

Answer 1

2 is correct............
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Answer 2

Hello .... Here is your answer
The answer is 3) 62

as first one contain both heavy strands if they kept in medium contain normal nitrogen then in first generation you will get 4 strands (two DNA ) in that two strands are heavy as these obtain from mother DNA
and in 2 nd generation 8 strands will come in this 6 are normal and 2 are heavy
3rd generation -16 in this 14 are normal and 2 are heavy
4th generation -32 strands in this 30 are normal and 2 are heavy
5 th generation -64 strands in this 62 are normal and 2 are heavy

So your answer is 62