British land snails primarily occur in two extreme phenotypes. This is an example of
A) directional selection.
B) stabilizing selection.
C) disruptive selection.
D) genetic drift.
E) mutation. Disruptive selection favors polymorphism, the predominance of two or more phenotypes over an average phenotype.

Question

Quizplus · Accepted Answer

Disruptive selection favors the two extreme phenotypes over the average phenotype, leading to the predominance of two or more distinct phenotypes. This is evident in the case of British land snails.

British Land Snails Primarily Occur in Two Extreme Phenotypes