Khan Academy
Khan Academy: Probabilities in Genetics
Article reviews some probability basics then investigates how these calculations can be applied to genetics problems involving relatively large numbers of genes. Explores how the sum rule and the product rule can be used to solve these...
CK-12 Foundation
Ck 12: Biology: Mendelian Inheritance Study Guide
Review the processes of basic Mendelian genetics.
University of Maryland
Univ. Of Maryland Baltimore Cty/biology Century
Historical perspective on Mendel's contribution. Spends a little time setting up what the current beliefs of Mendel's day were and how he changed things with what he did.