Question

45.
If 50 heavy DNA (N15) are replicated 2 times in 11N medium, what is obtained!
(A) 100 half heavy and half light and 100 light
(B) ) 100 heavy and half light and 100 light
(C) 50 heavy and 50 light
(D) 200 heavy DNA
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Answer 1

I think the correct answer is b.