Effect of a bottleneck on a population
A chance event or catastrophe can reduce the genetic variability within a population.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Population Genetics. October 16, 2013."
http://cnx.org/content/m44584/latest/Figure_19_02_03.jpg
OpenStax CNX
CC BY 3.0.
