Which of the following will result when a plant YyRr is self-pollinated?

NEET Biology question

Which of the following will result when a plant is self-pollinated?

(A)9:3:3:1 ratio of phenotypes onlyCorrect
(B)9:3:3:1 ratio of genotypes only
(C)1:1:1:1 ratio of phenotypes only
(D)1:1:1:1 ratio of phenotypes and genotypes

Answer: (A)

Solution

Self-pollinating gives the classic dihybrid F2 phenotypic ratio of 9:3:3:1 (9 yellow-round : 3 yellow-wrinkled : 3 green-round : 1 green-wrinkled). The

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Question ID VK-120308