Why Does the Fitness of a Phenotype Depend on Frequency-Dependent

question 25

Multiple Choice

Why does the fitness of a phenotype depend on frequency-dependent selection?

• A) Because selection favours the least common phenotype.
• B) Because the least number of alleles are at that locus.
• C) Because sexual selection produces dimorphism.
• D) Because frequency-dependent selection acts against extreme phenotypes.

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Definitions:

Nutrients

Substances obtained from food that are critical for the maintenance of health and for growth and development in both humans and animals.

Physiological Stages

The phases of physical and biological changes that an organism undergoes during its life cycle.

Sexual Arousal

A physiological and psychological state of being awakened to sexual desire and readiness for sexual activity.

Masters and Johnson

A research team known for their work in the field of human sexuality, documenting the physiological responses during sexual activity.