Question

In a certain species of dog, a black nose is dominant over a pink nose. What would happen in a cross between a pure breed dominant male dog and a purebred recessive female?
Phenotype of the offspring?

Genotype of the offspring?

Answer 1

Answer:

phenotype: black nose

genotype: Bb

Explanation:

Pure breed dominant genotype (BB)

+

recessive pure breed genotype (bb)

=

heterozygous genotype (Bb)

because black is dominant, thats the trait that will show. the pink will be masked by the black nose color.