1. Founder Effect – a type of genetic bottleneck
amish people

2. Amish People
Small group of Amish people moved from Switzerland to US in 1800s = founder effect
Their way of life and religious beliefs keep their population isolated = decreased genetic diversity

5. Florida Panther Critically endangered Low genetic diversity
Inbreeding related defects
Poor sperm
Physical abnormalities
Heart mumurs
What caused this genetic bottleneck?
Only 100 left

6. Florida Panther
Now outbred with sub-species
Only 100 left

7. Northern White Rhino Extinct in the wild
8 in captivity, but not viable 
What caused the genetic bottleneck?
Us! We hunted / poached them for their horns