A Small Population of Dutch Settled in South Africa in the 17th

Multiple Choice

A small population of Dutch settled in South Africa in the 17th century and became known as Afrikaners.By chance,a few Dutch settlers carried the gene for Huntington's disease.Today Huntington's disease occurs at a relatively high frequency in this population.This is an example of

A) the bottleneck effect.
B) the founder effect.
C) gene flow.
D) the Red Queen effect.
E) natural selection.