Question

To prove that DNA is the genetic material, which radioactive isotopes were used by Hershey and Chase (1952) in their experiments?

Answer 1

Answer:

Hershey and Chase experiment is based on the fact that DNA contains phosphorus and similarly, sulphur is present in proteins but not in DNA. They incorporated radioactive isotope of phosphorus (32P) into phage DNA and that of sulphur (355) into proteins of a separate phage culture.

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Answer 2

Answer:

S-35 and P-32

Explanation:

S- 35 was used to stain pellet of t2 bacteriophage

whereas, P-32 was used to stain DNA content of t2 bacteriophage.