Which Statement Is NOT True About the Founder Effect

Which statement is NOT true about the Founder Effect?

A) It is a form of genetic drift.
B) It produces a high frequency of some rare alleles in a small isolated population.
C) Founding members contain a tiny fraction of the alleles found in the original population.
D) The Founder Effect occurs when a population is subjected to near extinction and then recovers so that only a few alleles are left in survivors.