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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance1 Mark
MCQ
The first genetic material could be:
  • A
    Protein.
  • B
    Parbohydrates.
  • C
    DNA.
  • D
    RNA.
✓

Answer

  1. RNA.

There are many conclusive proofs which show that RNA was the first genetic material. But RNA being a catalyst was reactive and unstable. So, this paved the way for DNA as genetic material in the living world.

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