The usage of the insecticide DDT to control mosquitos resulted in
A) directional selection to insecticide resistance in the insects.
B) stabilizing selection to insecticide resistance in the insects.
C) disruptive selection to insecticide resistance in the insects.
D) genetic drift to insecticide resistance in the insects.
E) no change in the insect population.

Question

Quizplus · Accepted Answer

The use of DDT to control mosquitos would create directional selection favoring insects with the genetic traits that allowed them to resist the insecticide. This means that the proportion of insects with resistance would increase, while the proportion of sensitive insects would decrease.

The Usage of the Insecticide DDT to Control Mosquitos Resulted