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2.17.2011

Blog #3 (MicroEvolution)

Blog #3 Explain what microevolution is? What are the three ways that variation occurs?


Microevolution is the smallest scale of evolution, that occurs over a number of generations. The gene pool is changed such that a particular allele will result in a higher likely hood of survival for the organism. These alleles would then be passed down altering the future population. 


The three was that the variation occurs: 


  1. Directional Selection
  2. Stabilizing Selection
  3. Disruptive Selection

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