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Name the mechanism by which new alleles ...

Name the mechanism by which new alleles appear in a population.

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**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks for the mechanism that leads to the appearance of new alleles in a population. 2. **Identifying the Mechanism**: The primary mechanism through which new alleles arise is known as mutation. 3. **Defining Mutation**: Mutation refers to sudden changes in the genetic material of an organism. These changes can occur in the DNA sequence and can be inherited by the next generation. ...
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