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The unequivocal proof of DNA as the genetic material came from the studies on a

a
bacterium.
b
bacterial virus.
c
fungus.
d
viroid.

detailed solution

Correct option is B

Hershey and Chase gave unequivocal proof for DNA as genetic material by carrying out transduction experiments by using E. coli as a host to bacteriophage (bacterial virus). They used the isotopes P32 and S35.

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