Coat Color in Mice Involves the Effects of Multiple Gene

Multiple Choice

Coat color in mice involves the effects of multiple gene interactions. If a mouse has two recessive alleles (aa) for coat color, it is always albino no matter what the genotype of other genes involved in coat color. This is an example of

A) pleiotropy.
B) incomplete dominance.
C) codominance.
D) epistasis.
E) heterosis.