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Different regions of the world have greatly varying rates of lactose tolerance. Learn why this mutation spreads in some populations and not others with an educational video. Viewers consider the relationship with natural selection in animal populations and how human behavior changes genetic preferences.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Compare this to other cases of natural selection you have discussed in class
- Graph the occurrence of lactose intolerance in populations from many different countries/regions
Classroom Considerations
- Assumes prior knowledge of lactase and human digestion
Pros
- Links to many related videos for further study
- Works well in traditional or flipped classes
Cons
- None