An engaging video explains the mechanisms that cause changes to occur in genetic code. The narrator explains how duplication lengthens the genetic code and then highlights three examples of gene duplications and their resulting new traits.

Concepts

genes, genetic mutation, evolution

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Additional Tags

science

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Instructional Ideas

• Discuss how scientists could use gene duplication to modify animals and if they should

Classroom Considerations

• The second video in a two-part series about genes
• Relies on prior knowledge of point mutations and genes
• Due to a public comment section, show the video in full-screen mode

• This video is hosted on YouTube

Pros

• Provides many links to additional information on the topics and traits discussed
• Includes subtitles in English, Portuguese, Serbian, and Spanish

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 RST.9-10.4 RST.11-12.4