character: Watson & Crick
topic: Discovery of DNA Structure
grade: 9
subject: Biology
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character: Mendel
topic: Principles of Inheritance
grade: 9
subject: Biology
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character: Hershey & Chase
topic: DNA as Genetic Material
grade: 9
subject: Biology
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character: Maurice Wilkins
topic: X-ray Diffraction of DNA
grade: 9
subject: Biology
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