Question

In dogs, the barking trait is dominant over the silent trait and erect ears are dominant over drooping ears.

1. What is rhe expected phenotypic ratio of the offsprings when dogs, heterozygous for both the traits are crossed?

2. What are the different phenotypes observed?

Please explain.

Answer 1

i) BbEe xBbEe

Phenotypic ratio will be = 9:3:3 :1

(iii) Dihybrid cross.