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JIPMER2008ZoologyPrinciples of Inheritance and Variation

1: 2: 1 phenotypic and genotypic ratio is found in

Options

  1. Acomplementary genes
  2. Bblending inheritance
  3. Cmultiple alleles
  4. Dpseudo alleles

Correct answer

B. blending inheritance

Step-by-step solution

Incomplete dominance or blending inheritance was first seen in Mirabilis jalapa (4'O clock plant). Here, when red flowers are crossed with white flowers variety, the F₁ hybrid is pink and F ₂ ratio is 1 red : 2 pink : 1 white.

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