Question:

The mechanism by which genes move from one population to another is called

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Gene flow:
- Movement of genes between populations.
- Also called gene migration.
- Increases genetic diversity.
  • Gene flow
  • Mutation
  • Natural selection
  • Gene migration
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The Correct Option is A

Solution and Explanation

Step 1: Understanding the Question:
This question tests knowledge of population genetics and evolutionary mechanisms.

Step 2: Detailed Explanation:

Gene flow is the mechanism by which genes move from one population to another.
It is also called gene migration.
Mutation (B): Change in DNA sequence.
Natural selection (C): Differential survival of individuals.
Gene migration (D): Also means gene flow.
Thus, the correct answer is gene flow.

Step 3: Final Answer:

Thus, gene flow is the movement of genes between populations, which corresponds to option (A).
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