If Meselson and Stahl’s experiment is continued for four generations in bacteria, the ratio of ,5N/15N: 15N/14N: 14N/14N containing DNA in the fourth generation would be
A. 1:1:0
B. 1:4:0
C. 0:1:3
D. 0:1:7
Answer:D
If Meselson and Stahl’s experiment is continued for four generations in bacteria, the ratio of ,5N/15N: 15N/14N: 14N/14N containing DNA in the fourth generation would be
A. 1:1:0 B. 1:4:0 C. 0:1:3 D. 0:1:7