Environmental Science, 11th Edition (Cunningham)

Chapter 4: Evolution, Biological Communities, and Species Interactions

Animation Quiz - Simulation of Genetic Drift

View the animation below, then complete the quiz to test your knowledge of the concept.

1.		Genetic drift
			A)	reduces genetic variation in a population.
			B)	increases genetic variation in a population.
			C)	has no effect on the genetic variation in a population.
			D)	causes extinction in a population.
			E)	makes a population more genetically similar to other populations.
2.		The effect of genetic drift is much more significant in ________ populations.
			A)	large
			B)	small
			C)	aquatic
			D)	animal
			E)	plant
3.		If the frequency of an allele reaches 1.0, the allele is said to be
			A)	lost.
			B)	stable.
			C)	perfect.
			D)	fixed.
			E)	cool!
4.		Genetic drift refers to the movement of individuals between populations.
			A)	True
			B)	False
5.		Genetic drift is a random process.
			A)	True
			B)	False