Question

If meselson and stahl experiment is continued for four generation in bacteria the ratio of 15n/15n:15n/14n:14n/14n containing dna in the fourth generation would be

Answer 1

Answer:

If Meselson and Stahl's experiment is continued for four generations in bacteria, the ratio of / : / : / , containing DNAin the fourth generation would be (a) 1:1:0 (b) 1:4:0 (c) 0:1:3 (d) 0:1:7. Answer: (d)Meselson and Stahl found that DNA of the first generation was hybrid or intermediate ( and ).