When two or more sets of alleles affect the same trait, it is termed
A) a single-trait cross.
B) a double-trait cross.
C) codominant.
D) incomplete dominance.
E) polygenic inheritance.

Question

Quizplus · Accepted Answer

Polygenic inheritance is when multiple sets of alleles contribute to the expression of a single trait. This results in a continuous variation of the trait and is not simply controlled by one or a few genes. Examples of polygenic traits in humans include height and skin color.

When Two or More Sets of Alleles Affect the Same