character: Mr. Johnson
topic: Introduction to Genetics and Chromosomes
grade: 9
subject: Biology
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character: Dr. Smith
topic: DNA Structure and Function
grade: 9
subject: Biology
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character: Ms. Lee
topic: The Process of DNA Replication
grade: 9
subject: Biology
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character: Professor Brown
topic: Chromosomal Mutations and Their Effects
grade: 9
subject: Biology
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