Curated OER
Mutations
The basics of mutation types and some potential effects of those are described and diagrammed here. Each detail is very clear and includes the labels and translation change exhibited. A great slideshow to expand on DNA replication issues.
Biology Pages
Kimball's Biology Pages: Mutations of Dna
This is a very informative site on DNA mutations. There is estensive information and helpful diagrams.
Other
Acadia University: Class Notes on Mutation
These class notes from a Microbiology course at Acadia University outline point mutations, frameshift mutations, mutagens, mutation rate, and mutant isolation. A good way to review already learned concepts.
Kansas State
Mutations, Mutagens and Dna Repair: Types of Mutations
Good explanation of the different types of mutations. Solid background on base-pair substitution.
Kansas State
Kansas State University: Mutation Types
A good overview of mutation types, causes, and effects. Scroll down to the section on types of mutations for a good overview of frameshifts.