Question : (a) What did Meselson and Stahl observe when : (i) They cultured E. coli in a medium containing ""^(15)NH_(4)Cl for a few generations and centrifuged the content (ii) They transferred one such bacterium to the normal medium of NH_(4)CI and cultured for 2 generations (iii) What did Meselson and Stahl conclude from this experiment ? Explain with the help of diagram. (iv) Which is the first genetic material ? Give reasons in support of your answer.

Question : (a) What did Meselson and Stahl observe when : (i) They cu

1.	Question : (a) What did Meselson and Stahl observe when : (i) They cultured E. coli in a medium containing ""^(15)NH_(4)Cl for a few generations and centrifuged the content (ii) They transferred one such bacterium to the normal medium of NH_(4)CI and cultured for 2 generations (iii) What did Meselson and Stahl conclude from this experiment ? Explain with the help of diagram. (iv) Which is the first genetic material ? Give reasons in support of your answer.
Answer» SOLUTION :(i), (II) and (III)