Provides an overview of the field of human genetics, how it began with Mendel's work, some basic genetic principles, how genetic disorders are transmitted, and how physical characteristics are inherited.

Discover how mitochondrial DNA (mtDNA) is inherited, and complete a pedigree chart by determining which individuals might share mtDNA with an unknown ancestor.

At DNA from the Beginning, choose from classical genetics, molecules of genetics, genetic organization and control. Each concept is explained through animation, an image gallery, video interviews, biographies and links.

College-level introductory biology course focusing on the application of the fundamental principles of human biology. Course topics include genetics, cell biology, molecular biology, disease (infectious agents, inherited diseases and...

This article on phenylketonuria is organized into several sections including, "Clinical Description," "Molecular Geneticsm" amedicalnd "Population Genetics." Read about how this genetic disease affects the human body and how doctors...

Study what roles genetics and the environment play in human behavioral development. This is a learning module which includes the reading assignment, a quiz, and PowerPoint program.

Explains what incomplete dominance is in heredity, and what it looks like in plants, animals, and humans.

This article, written for younger readers, explains cystic fibrosis (CF), an inherited disease that causes the body to produce mucus that's extremely thick and sticky.

Student teams research human behavior and explore whether traits are inherited only by genetic inheritance or if environmental factors can play a role as well.

Join Professor Mill Ennium and his lab assistants as he helps Phoenix discover why he looks like a relative.

This site from the University of Arizona describes how blood type is passed on from parent to child. The tutorial covers the genetics of the ABO blood groups as well as Rh factor. There are even practice problems and blood type calculators!

Explore the facts on Cystic Fibrosis through this interactive and engaging site.