To express a polygenic trait:
A) genes must interact with the environment.
B) several genes must act together.
C) multiple mutations must occur in the same family.
D) in situ cloning must occur.

Question

Quizplus · Accepted Answer

Polygenic traits are controlled by multiple genes acting together, rather than a single gene, which is known as a monogenic trait. Examples of polygenic traits include height, skin color, and intelligence.

To Express a Polygenic Trait