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Based on the "Allopatric Speciation" video, which of the following can lead to genetic divergence?


5. Based on the "Allopatric Speciation" video, which of the following can lead to genetic divergence? Select ALL that apply. 

  • Select all that apply 

  • Founder Effect 

  • Gene Flow 

  • Natural Selection 

  • Mutation 

  • Genetic Drift


6. There are two isolated populations - Population 1 and Population 2. These populations have been separated for a long period of time. Now, imagine that you bring individuals from these populations together to see if they will interbreed. You find that there is only limited interbreeding between Population 1 and Population 2 and the hybrid offspring have lower fitness. Should we classify Population 1 and Population 2 as two different species? 

  • Yes, they are separate species. 

  • No, they are still the same species. 

  • No, they are the same species, however they are in the process of becoming two separate species.

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Answer #1

5. Founder effect

On a molecular genetics level, genetic divergence is due to changes in a small number of genes in a species, resulting in speciation. ... Genetic divergence between related populations sometimes start by genetic bottleneck, and founder effects.

6. No They are the same species they are in the process of becoming a separate species.

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