A single gene affects multiple traits.

A) codominance
B) multiple allele system
C) epistasis
D) pleiotropy
E) incomplete dominance

Pleiotropy

A genetic phenomenon where a single gene influences multiple phenotypic traits, which can be seemingly unrelated.

Affects

Refers to the experience of feeling or emotion, especially as it influences behavior and thoughts.

Traits

Characteristics or features of organisms passed from parents to offspring through genes.