character: DNA Defender
topic: Structure of Chromosomes
grade: 9
subject: Biology
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character: Chromosome Explorer
topic: Introduction to Chromosomes
grade: 9
subject: Biology
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character: Gene Guardian
topic: Function of DNA in Chromosomes
grade: 9
subject: Biology
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character: Chromosomal Conductor
topic: Chromosomal Structure and Function
grade: 9
subject: Biology
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