Khan Academy: Mendelian Inheritance of Immunodeficiency Disorders

This is a ten-question quiz pertaining to Mendelian genetics.

This is a ten-question quiz pertaining to chromosomal inheritance.

An explanation of post traumatic stress disorder including causes, symptoms, and treatment.

Examined are factors that increase the risks of bipolar disorder: psychological, environmental, genetic, neuro chemical, and difference in brain structure and function.

The article provides an overview of obsessive compulsive disorder (OCD) including a medical definition, symptoms, causes, and treatment.

Discover how Gregor Mendel uncovered the key principles of inheritance using a simple, familiar system: the pea plant. Learn about Mendel's life, his experiments, and his legacy.

Thomas Hunt Morgan's pioneering fruit fly work that helped validate the chromosomal theory of inheritance. [10:40]

Learn about traits that are controlled by multiple genes and/or influenced by the environment. Understand penetrance and expressivity.

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,...

Practice questions related to Mendelian inheritance.