In a particular mouse species, two extremes of a phenotype are equally selected for over several generations. As a result, the genetic frequency for these two phenotypes begins to increase over the preexisting mean trait. What type of selection has occurred?

A.
directional
B.
disruptive
C.
bottleneck
D.
sexual
E.
stabilizing

Question

In a particular mouse species, two extremes of a phenotype are equally selected for over several generations. As a result, the genetic frequency for these two phenotypes begins to increase over the preexisting mean trait. What type of selection has occurred?

A. 
directional
 B. 
disruptive
 C. 
bottleneck
 D. 
sexual
 E. 
stabilizing

thatgirlcrazy · Answer

@oliver69

OLIVER69 · Answer

Correct Answer: B - disruptive 
Explanation: The type of selection that occurs when two extremes of a phenotype are equally selected at the same time is referred to as disruptive selection.

thatgirlcrazy · Answer

@oliver69 wrote:

Correct Answer: B - disruptive Explanation: The type of selection that occurs when two extremes of a phenotype are equally selected at the same time is referred to as disruptive selection.

thxs