Question

In Labrador retrievers, black coats are dominant and brown coats are recessive. What is the genotype of a brown Labrador?

BB
Bb
bB
bb

Answer 1

bb

Step-by-step explanation:

No dominant genes are presented in the brown retriever. If there were any the dog would be black.

Answer 2

Assuming b is brown (recessive)

bb would be the correct genotype as it would require 2 recessive genes for brown fur to be expressed