A) non-conservative
B) semi-conservative
C) flexible
D) conservative
Correct Answer: B
Solution :
Since, each daughter DNA molecule contains one strand of the parent DNA double helix (only one strand synthesised afresh), the process of replication is called semi-conservative. Mathew Meselson and Franklin Stahl in 1958 proved experimentally that DNA replication is semi-conservative. To prove it, they used N15 heavy DNA in a medium containing N14 isotope.You need to login to perform this action.
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