Some genetic conditions occur without being inherited. The distinction becomes the focus of the lesson. It details the process of cell division that results in trisomy on various chromosomes. A worksheet highlights the results including...

Pregnant women exposed to PAH air pollution increase the risk of obesity in their children. The example of epigenetics, along with others, builds the basis for understanding the process of cell differentiation. Scholars view a video,...

After initial exposure to a carcinogen, a cancer diagnosis often takes more than a decade due to the slow buildup of mutated cells in the body. Scholars learn about the biology of cancer with a worksheet and discussion questions. They...

Review, identify, and describe the important steps in the cell reproduction of whitefish, onion root, and lily anther, and quiz yourself on the similarities and differences between mitosis and meiosis. A "Cell Division Construction Kit"...

This site provides simple diagrams on all major topics in cell biology, genetics and biotechnology.