BOTTLENECK EFFECT QUIZ WITH VERIFIED SOLUTIONS

What is the Bottleneck Effect? A sharp lowering of a populations gene pool because of an environmental, or human-caused, change. How does it effect populations? It decreases genetic variation and makes the population more susceptible to disease. Genetic variation is good. True or False? True What kind of populations are susceptible? Populations that are endangered or being hunted. Elephant seals are effected by the bottleneck effect. What are two other animals affected? Panthers and Butterflies The bottleneck effect is the same thing as the founder effect. True or false? False What did scientists find out after studying panthers? 20th century cats had only a third of the genetic diversity of their 19th century ancestors. How many panthers in the 20th century survived? 6 panthers and only one female survived.