Which of the Following Is a True Statement Concerning Genetic

question 78

Multiple Choice

Which of the following is a true statement concerning genetic variation?

• A) It is created by the direct action of natural selection.
• B) It arises in response to changes in the environment.
• C) It must be present in a population before natural selection can act upon the population.
• D) It tends to be reduced by the processes involved when diploid organisms produce gametes.
• E) A population that has a higher average heterozygosity has less genetic variation than one with a lower average heterozygosity.

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