A) two daughter DNAs, one is completely new and other is completely old
B) Both DNAs with one old and one new strands
C) Both DNAs with patches of new material in older DNA helixes
D) Only (b) and (c)
Correct Answer: B
Solution :
The replication of DNA is a semiconservative process, i.e. out of the two strands present in one molecule, one strand is from the parents while the other one is newly synthesised. An experiment was conducted proving the semiconservative mode of replication in DNA by Meselson and Stahl In 1958 on .E'. coli using heavy isotopes of nitrogen.
You need to login to perform this action.
You will be redirected in
3 sec
