Question

Which type of natural selection is most likely to shift allele frequencies toward both extreme possibilities of a trait?
Responses

stabilizing
stabilizing

directional
directional

disruptive

Answer 1

The type of natural selection that is most likely to shift allele frequencies toward both extreme possibilities of a trait is **disruptive selection**. This form of selection favors individuals at both extremes of the trait distribution, while individuals with intermediate traits are selected against.