Labrador retrievers are black,brown,or yellow.In a cross of a black female with a brown male,results can be all black puppies,1/2 black to 1/2 brown puppies,or 3/4 black to 1/4 yellow puppies.How many genes must be responsible for these coat colors in Labrador retrievers?

Question

Quizplus · Accepted Answer

Two genes are responsible for coat color in Labrador retrievers. One gene controls the production of black or brown pigment, while the other gene controls the production of yellow pigment. The combination of these two genes can produce the observed coat colors in the offspring.

Labrador Retrievers Are Black,brown,or Yellow