Question

In dogs, the barking traits is dominant over silent trait and erect ears are dominant over drooping ears. What is the expected phenotypic ratio of the offspring when the dogs heterozygous for both the traits are crossed?

Answer 1

Answer:

When dogs are heterozygous for both (barking/silent trait and erect ears/drooping ears) the traits are crossed then the expected phenotypic ratio of offspring will be 9 : 3 : 3: 1 where traits for barking & erect ears = 9, barking & drooping ears =3, silent & erect ears = 3, and silent & drooping ears =1. 3.

Explanation:

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