question_answer

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

A)  complementary genes

B)  blending inheritance

C)  multiple alleles

D)  pseudo alleles

Correct Answer: B

Solution :

                 Incomplete dominance or blending inheritance was first seen in Mirabilis jalapa (4'O clock plane). 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.