Why does gene flow decrease variation?

Question:

Why does gene flow decrease variation?

Gene Flow:

Gene flow is the process that transfers genetic information from one population to another. During gene flow, individuals or their gametes migrate between populations and change the allele makeup.

Answer and Explanation:

Gene flow decreases variation because it transfers genetic information between populations, making them more similar. Genetic variation is the amount...

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Gene Flow: Definition & Examples

from High School Biology: Homework Help Resource

Chapter 14 / Lesson 12
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