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Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation1 Mark
MCQ
The ultimate source of variation is:
  • A
    Adaptability
  • B
    Sexual variation
  • C
    Natural selection
  • D
    Mutation
✓

Answer

  1. Mutation

Explanation:

Random mutations are the ultimate source of genetic variation. Mutations are likely to be rare and most mutations are neutral or deleterious, but in some instances, the new alleles can be favoured by natural selection.

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