Proving microscopic structures exist is a difficult task. Learn how scientists did just that in the mid-1800s as they set out to identify the cellular structures related to genetics. The online lesson explains the collection of work that leads to the proof of chromosomes in the nucleus of both plant and animal cells.

Concepts

genes, cells, the nucleus, chromosomes

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Additional Tags

science

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Instructional Ideas

• Have pupils keep a historical journal to record the important discoveries of scientists
• Use snapshots of images in the animation to create a lesson presentation

Classroom Considerations

• Expects that students understand genetic inheritance
  

Pros

• Includes items to check for understanding following the lesson
• Provides video discussion about the history of the discovery of cellular chromosomes

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 RST.9-10.7 RST.11-12.7