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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
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.
  • ✓
    $50\%$ 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

Correct option: C.
$50\%$ of offspring will have dominant phenotype and $50\%$ will have recessive phenotype.

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