A complete, student-paced lesson on genetics and inheritance. Students work their way through illustrations and animated tutorials, and answer review questions along the way. There is a self-checking quiz at the end of the lesson.

When life emerged on Earth about 4 billion years ago, the earliest microbes had a set of basic genes that succeeded in keeping them alive. In the age of humans and other large organisms, there are a lot more genes to go around. Where did...

This unit discusses the following topics: cloning, transgenic, gene therapy, genetic code, human genome and DNA replication. It contains 19 interactive activities.

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

In this graphic and article from "The Human Evolution Coloring Book" by Adrienne Zihlman, four different proteins from humans and horses are compared and the reasons each protein evolves at its own characteristic rate are discussed.

Presents information about human chromosomes, their structure, and genetic disorders that can result from mutations.

This article gives information about sickle cell anemia, a disease caused by mutations of the gene that forms red blood cells. Provided are answers to the following questions: "What Do Doctors Do?" and "What Can Teens Do to Stay Well?"

In Blazing a Genetic Trail, by the Howard Hughes Medical Institute, follow this three-step approach to treating genetic diseases.

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...