Although the Ester¹ Allele Confers a Selective Advantage to Mosquitoes

Multiple Choice

Although the Ester¹ allele confers a selective advantage to mosquitoes exposed to DDT on the coast of France, carriers of Ester¹ in inland populations are more likely to be caught by spiders and other predators. This is an example of

A) positive selection.
B) antagonistic pleiotropy.
C) genetic drift.
D) average excess of fitness.
E) none of the above