Multiple Choice
In Darwin's time,natural selection was thought to be primarily 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.
Correct Answer:
Verified
Correct Answer:
Verified
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