NEET Biology question

In a dihybrid cross, if you get a 9:3:3:1 ratio, it denotes that

(A)The alleles of two genes are interacting with each other
(B)It is a case of multigenic inheritance
(C)It is a case of multiple allelism
(D)The alleles of two genes are segregating independentlyCorrect

Answer: (D)

Solution

The classic 9:3:3:1 dihybrid phenotypic ratio arises precisely when the two gene pairs assort independently of one another during gamete formation (Mendel's law of independent assortment), with no interaction, epistasis or linkage distorting the

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Question ID VK-120394