What change is observed in a distribution curve for a trait affected by directional selection?(1 point)

Responses

It shifts to the right and to the left.
It shifts to the right and to the left.

It shifts either to the right or to the left.
It shifts either to the right or to the left.

It shifts to the left.
It shifts to the left.

It shifts to the right.

1 answer

In the case of directional selection, the distribution curve for a trait typically shifts either to the right or to the left, depending on the direction of the selection pressure. Therefore, the correct response is:

It shifts either to the right or to the left.