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If Meselson and Stahl's experiment is continued for four generations in bacteria, the ratio of N15/N15: N15/N14: N14/N14 containing DNA in the fourth generation would be:
a. 1:1:0
b. 1:4:0
c. 0:1:3
d. 0:1:7
Answers (1)
The ratio of 15N /15N remains 0 in the subsequent generation. The ratio of 15N/14N remains constant while that of 14N /14N increases.
View full answer
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