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...

Describes the four broad categories of human races in the world, their geographical origins, and their sub-types. Also discusses the difficulties of tracing all branches of a race throughout human history, which is even more so today...

Although pesticides are designed to kill pest populations, they are seldom 100% effective -- a few individuals usually survive and reproduce. These survivors may have a behavioral trait that helps them avoid the pesticide, a biochemical...

Explains what stabilizing selection is and how this type of natural selection actually limits genetic diversity in a population. Presents examples of stabilizing selection in different plants and animals.