A red delicious apple tree with a simple mutation means we now benefit from the existence of golden delicious apples. Learn how simple mutations change genetic information in DNA sequences. Using biographies, videos, and animations, young science lovers see how scientists discovered mutations induced by X-rays and the role of genetics in evolution.

Concepts

mutation, genetic mutation, dna, evolution, diseases, radiation

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Additional Tags

science

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Instructional Ideas

• Using the photos and other primary sources, discuss the changes in both fashion and technology during the lives of Muller and Benzer
• Discuss the connection between X-rays causing cancers and the use of X-rays in medical practice today

Classroom Considerations

• Relies on prior knowledge of DNA, RNA, and genes

Pros

• Demonstrates scientific work building off former scientific discoveries
• Includes primary sources including photographs, documents, and videos

Cons

• None

Common Core

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