Q.

A fact that the ‘DNA is the genetic material’ was made clear and unambiguous by the experiment of the following biologists, in bacteria

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a

Weston and Crick

b

Messelson and Stahl

c

Avery and Macleod

d

Hershey – Chase

answer is A.

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Detailed Solution

The unequivocal proof that DNA is the genetic material came from the experiments of Alfred Hershey and Martha Chase (1952). They worked with viruses that infect bacteria called bacteriophages.

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