Zebrafish and Skin Color

This Zebrafish and Skin Color activity & project also includes:

You may not know if that zebrafish in your fish tank is a model citizen—but it is definitely a model organism! What can we learn about ourselves from a tiny zebrafish? Discover more about the polygenic trait of skin color through a collaborative learning activity. Groups use real zebrafish study data to examine how environment alters gene expression when populations relocate.

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Instructional Ideas

Classroom Considerations

  • Show The Biology of Skin Color before beginning
  • Make sure the class is clear about inherited traits, genotypes, and phenotypes, as these concepts are the basis of the lesson
Pros

  • Lesson provides multiple opportunities for enrichment through discussion of genetic drift and common descent
  • Educator materials include tips, resources, and printable student worksheets
Cons

  • None