National Cancer Institute at the National Institutes of Health
National Cancer Institute: What Are Gene Mutations?
This website provides an answer to the following question: "What are Gene Mutations?" Many links are provided throughout this short description that access information on related subjects.
National Institutes of Health
Genes and Disease: Marfan Syndrome
Site specifies genetic cause of Marfan Syndrome as well as gene locus. Also includes disease characteristics and information regarding treatment of cardiovascular symptoms.
Yale University
Yale New Haven Teachers Institute: Heredity: Your Connection to the Past
An indepth introduction to genetics as a whole with sample lessons, vocabulary, and bibliography. From the Yale-New Haven Teachers Institute.