Question

analyzing data about traits quick check
which statement best describes a polygenic trait? (1 point)
a polygenic trait is only controlled by multiple environmental factors.
a polygenic trait is controlled by multiple genes and influenced by the environment.
a polygenic trait is only controlled by one gene and influenced by the environment.
a polygenic trait is only controlled by one environmental factor.

Explanation:

A polygenic trait is defined as a characteristic that is regulated by the combined effects of multiple different genes, and these traits are also typically affected by environmental conditions. The other options are incorrect because they either claim control by only one gene/environmental factor or ignore the genetic component entirely.

Answer:

B. A polygenic trait is controlled by multiple genes and influenced by the environment.