Descent with Modification Video Lessons

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Problem: The basis of natural selection depends on genetic variation. Please list and explain at least 6 mechanisms for generation if genetic variation within a population.

FREE Expert Solution

Genetic variation occurred due to the following mechanisms: 

  • Gene flow: It is also known as gene migration. This is the movement of genes from the gene pool of one population to the other. 
  • Genetic drift: This is the mechanism wherein random fluctuations in the frequency of appearance of a gene or allele occur leading to genetic variation. 
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The basis of natural selection depends on genetic variation. Please list and explain at least 6 mechanisms for generation if genetic variation within a population.


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