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eBook
Biology Pages

Kimball's Biology Pages: Mutations of Dna

For Students 9th - 10th
This is a very informative site on DNA mutations. There is estensive information and helpful diagrams.
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Handout
Kansas State

Mutations, Mutagens and Dna Repair: Types of Mutations

For Students 9th - 10th
Good explanation of the different types of mutations. Solid background on base-pair substitution.