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

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation1 Mark
MCQ
When 'Aa' is crossed with 'aa', (A is dominant over a):
  • A
    All the offspring will have dominant phenotype.
  • B
    All the offspring will have recessive phenotype.
  • C
    50% of offspring will have dominant phenotype and 50% will have recessive phenotype.
  • D
    75% of offspring will have dominant phenotype and 50% will have recessive phenotype.
✓

Answer

  1. 50% of offspring will have dominant phenotype and 50% will have recessive phenotype.

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