Mass Extinctions - about the patterns that paleontologists have seen between the various mass extinctions throughout time. Blazing a Genetic Trail - The complex subject of genetic testing and treatment of inherited disorders is made understandable by the straightforward explanations of this Howard Hughes Medical Institute site. There is an overview of basic genetics as well as a glossary. GeneNews has links to recent news about genetics and genetic research. Requires RealPlayer and Shockwave.
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Designer Genes - have fun discovering the world of genetics in this complex but straightforward ThinkQuest site. Gene School, The - a comprehensive genetics site featuring games, polls, experiments, and much more. Learn everything from basics to today's genetic applications. During this investigation, you will become familiar with the genetic principles underlying several genes that affect coat color and pattern, tail length, number of toes, and ear shape in the domestic cat. The Core section of this site covers the background and role of genetics in disease, DNA and proteins, as a tool in forensics, and in conservation.