Darwin Thought That All Natural Selection Was Negative

question 24

Multiple Choice

Darwin thought that all natural selection was negative.However,we have since learned that positive selection is a powerful force,and it

• A) creates new gene variants that enhance the phenotype.
• B) retains gene variants or combinations that promote successful reproduction.
• C) enables people to resist infectious diseases.
• D) enables us to alter our genotypes.
• E) removes gene variants that are harmful.

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Definitions:

Conscientiousness

A personality trait characterized by organization, dependability, and a strong sense of duty.

Dependable

Capable of being relied upon; trustworthy and reliable in terms of consistency and performance.

Careful

Being careful involves acting with thought and caution to avoid harm or mistakes.

Selective Perception

The method through which people filter media messages to align with their preferences, while disregarding any contradictory perspectives.