In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that:
a. The allels of two genes are interacting with each other
b. It is a multigenic inheritance
c. It is a case of multiple allelism
d. The allels of two genes are segregating independently.

Biology - Main Course Book

Chapter 5. Principle of Inheritance and Variation




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d. The alleles of two genes are segregating independently is the answer.
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