NEET Biology question

Hershey and Chase used ³⁵S and ³²P to prove that DNA is the genetic material. Their experiments proved that DNA is the genetic material because

(A)Progeny viruses retained ³²P but not ³⁵S
(B)Retention of ³²P in progeny viruses indicated that DNA was passed on
(C)Loss of ³⁵S in progeny viruses indicated that proteins were not passed on
(D)All of the aboveCorrect

Answer: (D)

Solution

Since the progeny phages retained the ³²P (DNA) label but not the ³⁵S (protein) label, this showed that DNA, and not protein, was transmitted to the next

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Question ID VK-120692