What Would Happen If a Mutation Created a New Allele

question 70

Multiple Choice

What would happen if a mutation created a new allele that decreased fitness?

• A) The new allele would spread through the population and decrease the fitness of that population.
• B) The new allele would decrease the fitness of the individual that possessed it, and that individual would have few or no offspring.
• C) The new allele would have to change back to an allele of higher fitness so the possessor of that allele could maintain its fitness.
• D) The individual with the new allele would wait for an environmental change so that its fitness would increase again.

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