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Define variations....

Define variations.

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**Step-by-Step Text Solution:** 1. **Definition of Variations**: Variations refer to the differences that occur among individuals of the same species. These differences can manifest in various forms, including changes in shape, size, structure, and behavior. 2. **Source of Variations**: Variations arise from changes in the genetic material, specifically in the DNA sequences of organisms. 3. **Role of Mutations**: The primary mechanism that leads to variations is mutations. A mutation is a change in the DNA sequence that can result in different traits being expressed in an organism. ...
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