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The ultimate source of new alleles in a population is:

ASelection
BMigration
CMutation
DAdaptation
Answer & Solution
Correct answer: C. Mutation
1. Sexual reproduction reshuffles alleles. 2. Mutation creates new ones. 3. Many mutations are neutral. _Source: OpenStax Biology 2e, Chapter 18, Evolution and the Origin of Species (CC BY 4.0)._
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