In a Multiple Allelic System for Eye Color in Drosophila

Multiple Choice

In a multiple allelic system for eye color in Drosophila, the phenotypic expression of the alleles depends on

A) the sex of the fly.
B) the interaction of alleles from two different genes.
C) the temperature at which the flies are grown.
D) how much pigment is produced by the alleles present.
E) both A and B.