All the basic information you need about Alzheimer Disease can be found at this great interactive, multimedia website. Topics like: causes, inheritance, treatment, testing, and diagnosis are all covered. There is also a great section with interviews about living with this disease.

This is an impressive site about beta-thalassemia. The disease is caused when the body cannot make an important blood protein. You can find information about causes, diagnosis, treatment, lifestyle, and inheritance at this interactive multimedia site.

This animated lesson will explain how genes are inherited in pairs, one from the mother and one from the father.

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.

Genes are actually a specific sequence of DNA and they have a clear start and stop. Learn about the discovery and sequencing of genes at this site. This multimedia article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page.

This multimedia article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page. The topic is the human genome.

A good tutorial on replication. The menu bar at the top provides more history, background and animations.

This animated explanation introduces the concept of mitosis by reviewing the research of Walther Flemming.

Bacterial conjugation and experiments with viruses indicated that they must also contain DNA. This multimedia article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page.

Alfred Sturtevant will describe his gene mapping research with fruit flies. This animated explanation will show how he bred fruit flies to determine the proximity of genes.

Thomas Hunt Morgan will explain the research he did to determine that some traits are linked to the sex of an individual.

This article from DNA from the beginning is loaded with goodies about genetics and DNA. Starting with Mendel all the way through the concept of DNA, you will see how life is given certain characteristics. Some animations and audio clips are given.

The human genome project was established to determine the sequence of DNA bases that are found in each human cell. Understanding what the resulting proteins do is an entirely different project. This page is about how we are trying to understand what the human genome means, and includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom.

Genes are turned on and off in many ways. This article covers chemical signal transduction. Article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page.

The genetic code is actually the three letter combination of bases that codes for an amino acid. This article describes the discovery of this code. Article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page.

Explore the convept that DNA and proteins are key molecules of the cell nucleus.

The scientists and experiments that discovered that DNA is coiled into chromosomes are the topic of this article. Article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page.

A nice tutorial on DNA structure. The menu at the bottom allows you to view some different information.

This multimedia article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page. The topic is the study of cell division, mitosis, and cell death.

Many scientists have worked on discovering what genes are "turned on" within cells at different stages of development. DNA arrays and gene chips are techniques that have been developed. This article will help you understand these difficult concepts. Article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page.