Q176 / 200 · NEET 2022 (Phase 2) · Zoology

If DNA contained sulphur instead of phosphorus and proteins contained phosphorus instead of sulfur, what would have been the outcome of Hershey and Chase experiment?

  • A
    No radioactive sulfur in bacterial cells
  • B
    Both radioactive sulfur and phosphorus in bacterial cells
  • Correct answer
    C
    Radioactive sulfur in bacterial cells
  • D
    Radioactive phosphorus in bacterial cells

Solution

If Sulphur and Phosphorus change their presence in DNA and protein respectively the result of Hershey and Chase experiment will be reversed. Bacteria with radioactive sulphur formed at the base of Test Tube.

Hence, the correct answer is option: 'C'.

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