A library of information on chromosomes and their role in heredity. Articles found on the website study chromosome structure, chromosome composition, chromosome abnormalities, roles that chromosome plays in sex determination, and changes...

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.

Explains what chromosomes are, their structure, their functions within a cell, and the health impact of mutations in a gene sequence.

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

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

An interactive website that explores information about genes, mitosis, meiosis, cloning, and gene mutation. Concepts are discussed in detail with an interactive glossary and animations. At the end of each section quick questions are...

This detailed article from the Nobel e-Museum explores Thomas Hunt Morgan's career and research in genetics. Read how Morgan's work influenced later scientists and the modern scientific world.

Only a few types of aneuploidy are compatible with life. Use this drop-down menu to understand more about common genetic disorders resulting from monoploidy and polyploidy, such as Down Syndrome. Learn features of the disorder, see how...

Gives facts about Rett Syndrome, one of the five specific Pervasive Developmental Disorders. The concise details include a definition, stages of the disorder, causes, diagnosis, treatment, and research. To access this page in Spanish:...

This site explains genetic beliefs before and after Mendel, and also includes a section on Mendel himself and his experiments, entitled, "The Monk and his Peas".