BBC
Bbc: Gcse Bitesize: Evolution
Evolution is the change of inherited characteristics within a population over time through natural selection, which may result in the formation of a new species.
CK-12 Foundation
Ck 12: Biology: Mutation Types
[Free Registration/Login may be required to access all resource tools.] Surveys different types of mutations.
Sophia Learning
Sophia: Mutations: Lesson 2
This lesson will describe what a mutation is and how it can effect the outcome of protein synthesis. It is 2 of 4 in the series titled "Mutations."
Cold Spring Harbor Laboratory
Dna From the Beginning: Mutations Are Changes in Genetic Information
This article explains how and why mutations are so important to genetics.
BiologyWise
Biology Wise: Examples of Beneficial Mutation
Not all genetic mutations are harmful. Examples of beneficial mutations are described here.