An example of epistasis is pigmentation in mice. The wild-type coat color, agouti (AA), is dominant to solid- colored fur (aa). However, a separate gene (C) is necessary for pigment production. A mouse with a recessive c allele at this locus is unable to produce pigment and is albino regardless of the allele present at locus A. 3. List all possible genotypes that would result in albino coloration.