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

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation1 Mark
MCQ
The reason why some mutations which are harmful and yet do not get eliminated from gene pool is that:
  • A
    They have future survival value.
  • ✓
    They are recessive and carried by heterozygous individuals.
  • C
    They are dominant and show up more frequently.
  • D
    Genetic drift occurs because of small population.
✓

Answer

Correct option: B.
They are recessive and carried by heterozygous individuals.

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