Palomar Community College District
Waynes Word: Multiple Gene (Polygenic) Inheritance
Explains and gives examples of polygenic inheritance.
Khan Academy
Khan Academy: Variations on Mendel's Laws (Overview)
Article reviews Mendel's basic model of inheritance then provides an overview of variations on Mendel's laws, including multiple alleles, incomplete dominance, co-dominance, pleiotropy, lethal alleles, sex linkage, genetic interactions,...
University of Hamburg
University of Hamburg: Deviations From Mendelian Laws And: What Is the Meaning of Dominance?
Upper level discussion of several of Mendel's experiments and laws.
BiologyWise
Biology Wise: Dominant and Recessive Traits in Humans
Explains what dominant and recessive traits are and how they work, and provides a list of single gene traits with the degree of manifestation if they are dominant or recessive. Also discusses co-dominance, incomplete dominance, polygenic...