Question

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

• A. complementary genes
• B. blending inheritance
• C. multiple alleles
• D. pseudo alleles

Answer 1

Answer: (B)

blending inheritance

Answer 2

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 $F_{1}$ hybrid is pink and $F _{2}$ ratio is 1 red $: 2$ pink : 1 white.