Gene Flow #2


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Storyboard Text

  • Gene flow is the transfer of alleles or genes from one population to another
  • Looks like we have a new addition to the family
  • Little Timmy over there has the alleles for short legs and tame behavior because his mother and I come from completely different gene pools
  • If gene versions are carried to a population where those gene versions previously did not exist, gene flow can be a very important source of genetic variation
  • Physical barriers to gene flow include impassable mountain ranges, oceans, or vast deserts
  • I'm so glad no barriers got in the way of meeting you
  • Aww
  • You're probably wondering how exactly gene flow relates to evolution. Migration into or out of a population may be responsible for a marked change in allele frequencies, which can introduce new traits. These traits will now be apart of each generation, resulting in that species evolving.
  • Thanks for joining us, hope you learned a few things about gene flow
  • See ya!
  • The End
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