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.

Video explains the difference between cancer cells and normal cells and how chemotherapy works. [3:51] Includes a brief quiz and a list of additional resources to explore.

Photographs of deformed frogs discovered in the wild and held in captivity from 1997 - 2006. Each picture has a brief explanation of the deformity.

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

Insects are known for their ability to develop resistance to insecticides. Currently there are insects resistant to every synthetic chemical insecticide used. There are many factors to developing resistance. In a population of insects...

Learn how genetic disorders are passed from parents to children as explained in this excerpt from Blazing a Genetic Trail, from the Howard Hughes Medical Institute.

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

Learn all about Marfan Syndrome at this colorful, simple, interactive sight. Includes video options.

Find out what genetic mutations are and view some of the mutations that affect the wing structure, body color, eye color, and head shape of fruit flies.

This article gives information about childhood cancer and its most common cause, genetic mutation. Treatment information is also included.

Constructing phylogenetic trees may be a daunting task for learners, but this lesson plan is a simulation of what molecular biologists must do to determine relationships. This plan is for students who have a good grasp of DNA structure...

This brief explanation of punctuated equilibrium includes paragraphs on the history of the theory and the controversy surrounding it.

These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author, and in this section he discusses the evidence for evolution.

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

This lab illustrates how the order of nucleotides in DNA determines the order of amino acids in proteins. Relates DNA function to that of RNAand provides an exercise to demonstrate how mutations may occur. Includes a lesson plan and...

Take this interactive, multiple-choice quiz over evolution, then review your score and any missed questions at the end.

Explains what genetic diversity is, things that cause it, factors that affect it negatively, and why it is so important. Includes examples of the presence and absence of genetic diversity.

Try this quiz about DNA and evolution.

A look at protein synthesis in words and pictures. This website discusses the processes of replication, transcription, and translation. Also covered is Beadle and Tatum research that explains that one gene codes for one polypeptide....

This site from the University of Illinois at Chicago provides an in-depth article on Human Genetics, with a focus on primarily population genetics. The article is factual and informative full of charts, formulas, and extensive text. A...

Animation studio that specializes in medical illustration lets you explore the structure and function of plant cells and animal cells, using videos and interactive graphics with clickable parts that lead to more detail.

Viral genomes are the fastest evolving entities in biology, mainly because of their short replication time and the large quantity of offspring released per cell infected. Evolution occurs by several mechanisms: Random mutation,...

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,...

Just like mitosis creates two identical healthy cells from one, it also enables cancer cells to duplicate themselves, facilitating the spread of the disease.