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Consider a species that has continental and remote island populations. Gene flow occurs between...

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Consider a species that has continental and remote island populations. Gene flow occurs between continental and island populations, but the magnitude of gene flow from continent to island is much greater than the magnitude of gene flow from island to continent. Why?

Gene flow:

Gene flow is the movement of individuals or gametes from one population to another, due to migration and movement gametes through different carriers such as wind, insects and birds. This is one of the factors that drive microevolution.

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The magnitude or extent of gene flow between continental populations (mainland populations) and island populations differ because of difference in...

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Gene Flow: Definition & Examples

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Chapter 14 / Lesson 12
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Chances are you've probably witnessed gene flow today! This lesson will define gene flow and give examples. It will also explain why gene flow creates genetic diversity.


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