Palomar Community College District
Waynes Word: Multiple Gene (Polygenic) Inheritance
Explains and gives examples of polygenic inheritance.
CK-12 Foundation
Ck 12: Life Science: 3.15 Polygenic Traits
Learn how in polygenic inheritance, a trait is controlled by more than one gene.
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.
CK-12 Foundation
Ck 12: Biology: Non Mendelian Inheritance
[Free Registration/Login may be required to access all resource tools.] Introduction to non-Mendelian inheritance.
CPALMS
Florida State University Cpalms: Florida Students: Complex Modes of Inheritance
A tutorial reviews polygenic and multiple alleles, Punnett Square, sex-linked trait, and inheritance patterns. Follow the slides to ensure comprehension of inheritance.
CK-12 Foundation
Ck 12: Life Science: Polygenic Traits
[Free Registration/Login may be required to access all resource tools.] Another exception to Mendel's rules is polygenic inheritance, which occurs when a trait is controlled by more than one gene. This means that each dominant allele...
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...