A Trait That is Controlled by Many Genes is Referred

Question

A trait that is controlled by many genes is referred to as
A) pleiotrophic.
B) polygenic.
C) multigenic.
D) dominant.
E) codominant.

Accepted Answer

A trait that is controlled by many genes is referred to as polygenic. Pleiotropy refers to a single gene affecting multiple traits, while multigenic refers to a trait being controlled by multiple genes regardless of the number. Dominant and codominant refer to the expression of a single gene in relationship to other alleles at the same locus.