founder effect(redirected from Founder's effect)
Also found in: Medical, Encyclopedia.
A random difference in allele frequencies of a population founded by a small group of organisms relative to the allele frequencies in the original population.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.