Which Statement Is NOT True About the Maintenance of Variation

question 71

Multiple Choice

Which statement is NOT true about the maintenance of variation in a population?

• A)Selection for adaptation to a particular environment ensures that the population will become stronger and more viable under any and all conditions.
• B)Only phenotypes are acted on by selection,so heterozygotes serve as a reservoir of recessive alleles that may be adaptive in a different environment.
• C)Heterozygote superiority may lead to selection for the heterozygote above either homozygote.
• D)Variation is maintained through mutation,recombination,gene flow,and changed conditions.
• E)Variations allow for the presence of conditions such as sickle-cell anemia.

---

Definitions:

Acute Care Setting

A healthcare environment that provides short-term treatment for severe injuries or illnesses, typically in a hospital.

Nutrition Counseling

A consultative process wherein a nutrition professional provides advice and guidance on diet and nutrition to help individuals achieve health goals.

Frames

An acronym for the steps of a brief counseling intervention.

Brief Intervention

A short-term counseling or educational session aimed at changing behavior and improving health outcomes.