Instructional Video

Incomplete Dominance, Codominance, Polygenic Traits, and Epistasis!

Curated and Reviewed by Lesson Planet

Have you ever met twins or biological siblings with different skin colors? It's not unusual and a helpful video explains why. It includes incomplete dominance, codominance, polygentic traits, and Epistasis, and even explains why different textbooks and classes notate these differently when solving.

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Instructional Ideas
  • Assign the handout found at the publisher's website that corresponds with the video
Classroom Considerations
  • Requires prior knowledge of how to solve a dihybrid cross in order to solve Epistasis
  • Lesson best fits after Mendelian genetics as an introduction to non-Mendelian genetics
  • The nineteenth video in a series of 33
  • This video is hosted on YouTube
Pros
  • Provides examples of how incomplete dominance and codominance are different, which can be confusing
  • Creators monitor the comments on the page for language
Cons
  • None