File:Founder effect.jpg

This illustration is modeled on one from Boundless. Licensed under CC BY-SA 4.0 with attribution required.

Source: Boundless. “Genetic Drift.” Boundless Biology. Boundless, 21 Jan. 2015. Retrieved 13 May. 2015 from https://www.boundless.com/biology/textbooks/boundless-biology-textbook/the-evolution-of-populations-19/population-genetics-131/genetic-drift-531-11736/