Paul Andersen explains important concepts that can not be explained by simple Mendelian genetics. He begins with a discussion of polygenic inheritance and uses a simulation on height to show how a bell shape curve of phenotypes is...

Paul Andersen explains aspects of genetics that were not covered by Gregor Mendel. He begins with the following topics; incomplete dominance, codominance, epistasis, multiple alleles, and multiple genes. He then explains how linked...

Tom Thomas and the Fixies kids are playing on the carpet with his model car set. Today the set has a new addition – a working traffic light. Fire is behind the wheel of a radio-controlled car that Tom Thomas is operating, Simka is...

Andy is a little boy born with crossed eyes. The book outlines his journey to having his vision corrected and the setbacks he and his parents face along the way.

This program covers the important topic of the Binomial Probability Distribution in Probability and Statistics. We begin by discussing what the Binomial Distribution is and why it is important. Next, we solve several problems that...

This video provides a concise explanation of color blindness, describing how it affects a person's ability to see certain colors and the role of cones in the eye. It also explains the different types of color blindness and the causes of...

Eye and four vision problems All animals and plants are sensitive - they detect changes in their environment. This is one of the seven life processes. Any change that is detected is called a stimulus. If necessary, they then respond to...