what-is-directional-selection-and-how-does-it-affect-phenotype-distribution-in-a

Question

What is directional selection and how does it affect phenotype distribution in a population?

Accepted Answer

A selection that favors one extreme phenotype, causing a shift in the population average.

Answer

A selection that favors both extremes, leading to a bimodal distribution.

Answer

A selection that favors intermediate phenotypes, reducing variation.

Answer

A selection that randomly favors different phenotypes at different times.