22. Evolution of Populations

Genetic variation in a population refers to which of the following?

In what way is a gene pool representative of a population?

How does genetic diversity affect a population's chances of survival?

Which of the following would seem to be an example of neutral variation?

Sexual recombination includes the shuffling of chromosomes in __________ and fertilization.

Which of the following statements is true of continuous phenotypic variation?

A population of squirrels is preyed on by small hawks. The smaller squirrels can escape into burrows. The larger squirrels can fight off the hawks. After several generations, the squirrels in the area tend to be very small or very large. What process is responsible for this outcome?

What is the importance of neutral variation in evolution?

Which of the following processes may produce new phenotypic variations in a population?

Which of the following statements about genetic diversity is true?

Which of the following would most likely result in an increase in genetic variation in a population?

Which of the following contributes to the genetic variation of a species?

Which of the following processes can typically decrease genetic variation in a population?

Which two processes increase genetic variation in a population?