1.

A bacteria containing 100% `N^(15)` nitrogen bases is allowed to replicate in medium containing `N^(14)` bases. After one round of duplication , the result would beA. all individuals would be identical to parentsB. all individual would be radioactive , but the percentage of radioactive in DNA would be 50%C. only 50% individuals would be 50%D. all individuals would be similar to parents , but different among themselves

Answer» Correct Answer - B


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