Most domesticated animals have been bred for specific, favorable traits. Dairy cows are bred for maximum milk production while dogs are bred for size and color, among other characteristics. The process of humans controlling the breeding of organisms is known as -

I think I it is selective breeding also known as artificial selection

i'm gonna put a couple so you can chose from

explanation:

if you know the fur color of the offspring mice, you can use the ratios to identify the genotypes of the parents.

if either parent mouse passes a dominant allele, the offspring will have black fur.

if the parental mice has two different fur color (i.e white and black) , the color of the offspring's fur would be either black, white, or the combination of both (grey)

hope this : )