A collection of articles on evolutionary genetics focusing on the topics of phylogenetics, mutation and molecular population genetics, the genetics of speciation, genome evolution, and evolution and development. Learn how to read a...

This "Ask the Experts" article answers the question, "What do we know about the cause of Werner syndrome and progeria, the disease that leads to premature aging in children?" This article also distinguishes between Hutchinson-Gilford...

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

This lesson will explain how cancer is caused by a gene mutation. It is 4 of 4 in the series titled "Cancer."

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

These images from the Smithsonian Institution depict Nancy Knowlton's work with snapping shrimp in Panama. Knowlton found that the closing of the isthmus -- dividing the Pacific Ocean from the Caribbean -- resulted in new species of shrimp.

This effective site focuses on how structural and behavioral adaptations help organisms survive and reproduce.

This video segment from the Secret of Life School Video: "On the Brink: Portraits of Modern Science" explores the genetics of breast cancer. [3:40]

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.

Discusses conditions needed for the Hardy-Weinberg Law to hold true and demonstrates calculations involving allelic frequencies to illustrate this principle.

Video discusses the concept of evolution and the five processes that can cause it to happen. [5:24] Includes a brief quiz and a list of additional resources to explore.

This Biotechnology Institute issue focuses on the role of genetics in cancer. Find out about several types of cancer, the risks, treatments available now, and the treatments of the future.

In this graphic and article from "The Human Evolution Coloring Book" by Adrienne Zihlman, four different proteins from humans and horses are compared and the reasons each protein evolves at its own characteristic rate are discussed.

In Blazing a Genetic Trail, by the Howard Hughes Medical Institute, follow this three-step approach to treating genetic diseases.

An indepth introduction to genetics as a whole with sample lessons, vocabulary, and bibliography. From the Yale-New Haven Teachers Institute.

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".

College-level course focusing on the principles of genetics. Course topics include structure and function of genes, chromosomes and genomes, biological variation, population genetics, use of genetic methods to analyze protein function,...

Determine how studying the evolution of the HIV virus led medical experts to give patients a "holiday" from drugs, weakening the mutated, drug-resistent genes. Discover how this backward evolution works.

This unit discusses the following topics: cloning, transgenic, gene therapy, genetic code, human genome and DNA replication. It contains 19 interactive activities.

[Free Registration/Login may be required to access all resource tools.] An overview of cancer and its causes.

A multiple-choice quiz on the mechanisms of evolution.

These pages are part of a site called Evolution that accompany a textbook by the same name. Mark Ridley is the author. This section has an advanced discussion of determining allele and genotype frequencies using the Hardy-Weinberg ratio.

This is a great unit on human genetics. It contains 17 interactive activities.

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