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.
Khan Academy
Khan Academy: Inheritance of Mitochondrial and Chloroplast Dna
Find out about mitochondrial and chloroplast DNA, and why its inheritance does not follow Mendelian patterns.
Khan Academy
Khan Academy: Polygenic Inheritance and Environmental Effects
Learn about traits that are controlled by multiple genes and/or influenced by the environment. Understand penetrance and expressivity.