Can peas have grandparents? Learn about inherited traits and heredity with a set of activities focused on Mendelian genetics. As your class learns about the process of passing traits along in Punnett squares, they take on the role of...

This college-level biology reference book introduces the study of heredity and genetics using diagrams and descriptive illustrations.

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.

Read about the PTC gene, and listen to scientists discuss this accidental discovery which lead to important clues about human evolution.

This site provides extensive information about the relationship of genetics to cancer.

A useful introduction from the Oak Ridge National Laboratory on the study of how genetics and behavior are linked. Many useful resource links are included.

This is a group of Mendelian Genetics exercises that are designed to show the evolution of a trait within a population. The site covers instruction in calculating genotypic and allelic frequencies, determining dominance, the...

Upper level discussion of several of Mendel's experiments and laws.

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...

A good site to establish what is meant by gene linkage and sex-linkage.

Read about how environmental factors such as nutrition can change a person's gene expression.

At this site from The Nobel Foundation you can read about Thomas Hunt Morgan, the scientist who won the Nobel Prize in Medicine "for his discoveries concerning the role played by the chromosome in heredity." This website is organized...

This personal site gives the seven characteristics that Mendel observed and a fairly large background to what Mendel saw and interpreted.

The site promotes the importance of Morgan and his experiments in genetics with fruit flies on the field of biology.

This is an FAQ page on the relationship between genetics and Parkinson's disease. It discusses what is currently known regarding heredity and Parkinson's disease, what genes are linked to Parkinson's, and what determines who gets...

This resource explains Mendel's first law (Law of Segregation) in detail. Includes Mendel's original experiments with results and conclusions.

Mendel's second law and how he arrived at it through his experiments. Includes vocabulary and examples.

Good description of Mendel's findings and his second major principle.

Find out how epigenetic tags that tell genes whether to turn on or off in their lifetime, act as a cellular memory.

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

Scientific article explaining what natural selection is, and how it manifests itself through genetics and from generation to generation. Natural selection is compared to genetic drift, both of which cause evolution to occur. The limits...

This site from the University of Kansas Medical Center provides a list and direct links to colleges with accredited genetic counseling programs.

Historical perspective on Mendel's contribution. Spends a little time setting up what the current beliefs of Mendel's day were and how he changed things with what he did.

Dr. Eric Lander of the Human Genome Project explains the use of DNA as forensic evidence. He describes the process and need for standards in testing laboratories and discusses the use of DNA evidence as a human rights tool.