PBS
Pbs Learning Media: Genetic Drift and the Founder Effect
This image of polydactyly illustrates one symptom of Ellis-van Creveld syndrome, which is commonly found in the Amish. Ellis-van Creveld is one example of the founder effect and genetic drift.
Palomar Community College District
Palomar College: Genetic Drift and Founder Effect
This site from Palomar College discusses the concepts of genetic drift and founder effect. Provides some specific examples of the founder effect and a discussion of these.