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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

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

Answer

  1. RNA

Explanation:

The first genetic material was RNA and there is evidence that essential life processes evolved around and from RNA such as metabolism, translation, splicing etc. RNA also used to act as a catalyst and a genetic material in living system in important biochemical reactions. It is also said that DNA evolved from RNA and became stable.

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