When a phenotype is under disruptive selection, which parts of the phenotypic distribution are expected to have the highest fitness?

Question

Quizplus · Accepted Answer

Disruptive selection favors individuals at both ends of the phenotypic distribution, meaning that individuals with extreme large and extreme small values of the phenotype have the highest fitness. This is because these individuals have traits that are beneficial in different environments, while individuals with intermediate phenotypes are less fit in both environments.

When a Phenotype Is Under Disruptive Selection, Which Parts of the Phenotypic