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NEET Sample Paper NEET Sample Test Paper-16

  • question_answer
    If Meselson and Stahl?s experiment is continued for four generations in bacteria, the ratio of \[{{15}_{N}}/{{15}_{N}}:{{15}_{N}}/{{14}_{N}}:{{14}_{N}}/{{14}_{N}}\] containing DNA in the fourth generation would be

    A)  1 : 1 : 0                      

    B)  1 : 4 : 0          

    C)       0 : 1 : 3            

    D)      0 : 1 : 7

    Correct Answer: D

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