Cellular Variation

Variety truly is the spice of life. A video explores how plants have both chlorophyll a and b and the benefits of possessing both, how varying molecules allows for winter wheat, how possessing the heterozygous combination of sickle-cell anemia genes helps with malaria, and finally how gene duplication allows for antifreeze genes in a variety of organisms.

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CCSS: Adaptable
NGSS: Adaptable
Instructional Ideas

  • After the video, allow learners to further explore the examples given in the video or other examples of variation
  • Explore further the work of Christina Cheng and gene cloning, referenced in the video
Classroom Considerations

  • To watch the video, you need a computer, projection system, and access to the Internet
  • Part 12 in a series of 37
Pros

  • Video explores two different ways for cells to vary from one another
  • Great example of possessing one gene of sickle-cell anemia and how that helps with malaria
  • The referenced movie, Multiplicity, engages high school learners
Cons

  • None
Common Core

NGSS