M.Sc. Bio-Chemistry (PU-CET P.G) 2022 Panjab University Entrance Exam With Answers

Practice Mode:
45.

Assuming semi-conservative replication, starting with 15N-DNA shifted to 14N- medium, the ratio of 15N-14N : 14N-14N DNA after 3cycles of replication will be:

A: 1:2
B: 1:4
C: 1:3
D: 1:1

The answer is: C