When a Certain Form of a Trait Increases the Fitness

Multiple Choice

When a certain form of a trait increases the fitness of the individual, this allele will tend to ____ over time.​

A) ​affect the function of vestigial structures
B) ​lead to extinction of the population
C) ​be eliminated from the population
D) ​decrease in frequency in the population
E) ​increase in frequency in the population