[Free Registration/Login may be required to access all resource tools.] A complete, illustrated article describing DNA mutations and how they relate to cancer.

College-level course focusing on the principles of genetics. Course topics include structure and function of genes, chromosomes and genomes, biological variation, population genetics, use of genetic methods to analyze protein function,...

Good explanation of the different types of mutations. Solid background on base-pair substitution.

Read this passage and complete a five-question quiz pertaining to collagen mutations resulting in Osteogenesis Imperfecta.

Mutations can cause a permanent change in the DNA of an organism. Over many generations, organisms have adapted through mutation which involves small changes between organisms which may allow that organism to compete better for survival....

See how cell division is essential for healthy growth of an organism, and how complex genetic mechanisms have evolved to switch cell division on and off at the proper time for normal development. [0:50]

This is a college level lecture on genetic drift, complete with mathmatic formulae, includes special links.

Try these nineteen questions which serve as a chapter review over concepts in molecular genetics.

Students will learn about the different types of mutations and how they work. They will compare the effect of these different types of mutations in DNA, including nucleotide substitution, nucleotide insertion, and nucleotide deletion....

[Free Registration/Login may be required to access all resource tools.] Effects of mutations can be beneficial or they can be harmful. This tutorial describes the effects and provides examples of each.

Use this drop-down menu to explore singe gene disorders such as Cystic Fibrosis, Huntington Disease, Sickle Cell, and more. Learn the symptoms and features of the disease, how to treat and/or manage the disease, and links to additional...

Through informational text, interactive activities, practice problems, and video clips, students analyze how biological traits are passed on to successive generations.

Explore the connection of genes and enzymes in regards to heredity and genetics. Concepts associated with dominant and recessive traits are also presented.

Find out what genetic mutations are and view some of the mutations that affect the wing structure, body color, eye color, and head shape of fruit flies.

Not all genetic mutations are harmful. Examples of beneficial mutations are described here.

Provides a great overview of DNA damage from agents such as ultraviolet light, nuclear radiation, and certain chemicals. Includes DNA strand drawings.

A brief overview of Sickle cell anemia, a genetic disease that affects hemoglobin in the blood. [1:30]

Try these five self-checking multiple choice questions over gene regulation and mutation.

This site from the University of Illinois at Chicago provides an in-depth article on Human Genetics, with a focus on primarily population genetics. The article is factual and informative full of charts, formulas, and extensive text. A...

This is a great unit on human genetics. It contains 17 interactive activities.

Teach aliens about evolution as you play this game, and review your own understanding in the process. Topics covered include evolutionary mechanisms, evidence of evolution, natural selection, reproductive isolation, population genetics,...

[Free Registration/Login may be required to access all resource tools.] Students will explore the factors that lead to evolution such as genetic mutation, gene drift and gene flow.

This article explains how and why mutations are so important to genetics.

Try this interactive module from the Brooklyn College to help understand the genetic code and how changes in the code effect the final protein product.