Bottlenecks and Founder Effects. Genetic drift can cause big losses of genetic variation for small populations. Population bottlenecks occur when a populations size is reduced for at least one generation.ottlenecks and Founder Effects. Genetic drift can cause big losses of genetic variation for small populations. Population bottlenecks occur when a populations size is reduced for at least one generation.
Chernobyl, or Chornobyl, is the name of a city situated in northern Ukraine near the border with Belarus. Chernobyl was largely abandoned following the disaster at the Chernobyl Nuclear Power Plant located 14.5 kilometres (9 miles) away.
Chernobyl. Chernobyl Disaster. This video is of the Chernobyl Nuclear disaster Accident. This is a CIA video on the Chernobyl disaster in Ukraine.The Chernobyl Nuclear disaster was a nuclear accident which took place on Aprol 26, 1986 at the Chernobyl Nuclear power plant in Ukraine. It was controlled by the former Soviet Union aka Russia.The explosion and fire released radiation into the atmosphere.he Chernobyl Nuclear disaster was a nuclear accident which took place on Aprol 26, 1986 at the Chernobyl Nuclear power plant in Ukraine. It was controlled by the former Soviet Union aka Russia. The explosion and fire released radiation into the atmosphere.