Genetic Drift

Survival is a game of chance, catch my drift? Examine the factors that influence genetic drift with an entertaining video from a large biology playlist. The resource covers the myriad conditions that come into play when a species encounters a new situation and how populations react over time to changes great and small.

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CCSS: Adaptable
Instructional Ideas

  • Pose the question "Are small populations more affected by changes to their environments than large populations?" and have pupils write down their thoughts
  • Include the video in an evolution unit to introduce genetic drift
Classroom Considerations

  • Take some time after the video to make sure the class understands the mechanisms of genetic drift before they move forward
Pros

  • The Halloween candy scenario used to open the video is a great hook that could be modified into a demonstration
  • Great examples help move the video along
Cons

  • None
Common Core