character: Walter Sutton
topic: Chromosomal Theory Development
grade: 9
subject: Biology
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character: Gregory Mendel
topic: Inheritance Patterns
grade: 9
subject: Biology
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character: Thomas Hunt Morgan
topic: Fruit Fly Experiments and Chromosomes
grade: 9
subject: Biology
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character: James Watson
topic: Structure of DNA
grade: 9
subject: Biology
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