Question

Black hair is dominant to red hair two black cocker spaniels have 12 puppies 9 black and 3 red what is the genotype of each parent

Answer 1

Bb,Bb because the two parents exhibit 75%  dominance 25% recessive in their offspring try drawing a box withe four squares one parent on top the other on the left side copy the traits into to box    

Answer 2

the genotype for both parents is Br. if using B= black and r = red