Question

The average speed of a greyhound dog increases gradually in succeeding generations after only the fastest of a brood are allowed to interbreed. What is this variation an example of?



Genetic drift



Stabilizing selection



Directional selection



Disruptive selection


@BioEpic

Answer 1

Disruptive selection, also called diversifying selection, describes changes in population genetics in which extreme values for a trait are favored over intermediate values.

Answer 2

So its disruptive ?

Answer 3

yes, because the fastest dogs are being selected in favor of intermediate ones.

Answer 4

got it ?

Answer 5

Yep !