Question

In a cross between red kernelled and white kernelled varieties of wheat showing polygenic inheritance, the phenotypic ratio in F₂ generation will be

(A) 1 : 6 : 15 : 20 : 15 : 6 : 1

(B) 1 : 4 : 6 : 4 : 1

(C) 1 : 2 : 1

(D) 2 : 1

Answer 1

(B) 1 : 4 : 6 : 4 : 1

In a cross between red kernelled and white kernelled varieties of wheat showing polygenic inheritance, the phenotypic ratio in F₂ generation will be 1 : 4 : 6 : 4 : 1.