CK-12 Foundation
Ck 12: Life Science: 3.14 Non Mendelian Inheritance
Learn about some examples of inheritance that do not follow Mendelian inheritance rules.
University of Arizona
University of Arizona: Los Tipos Sanguineos: La Guia
Learn how blood types and Rh factors are inherited. You will find a set of problems which have alternative options. Correct answers have a brief explanation to reinforce the theories and incorrect answers are linked to tutorials to help...
The Franklin Institute
Franklin Institute: What's Your Type?
Learn the differences between the various types of blood. You can also get information on blood type compatibility.
Science4Fun
Science4 Fun: Blood
What is blood? Discover how and why blood travels in the body, the three main types of blood cells, and the different blood types.