Dogs Have One Gene That Controls How Much Melanin Is

Multiple Choice

Dogs have one gene that controls how much melanin is produced, a second gene that controls whether melanin is deposited in the fur, and a third gene that controls whether melanin is produced at all. What do you call the interaction of these three genes?

A) Duplicate-recessive epistasis
B) Codominance
C) Incomplete dominance
D) Multiple allele system
E) Albinism