Answer Happy

We observe variation in a population of lizards with respect to how fast individuals can run. We attempt to select for the ability to run quickly. After six generations of selective breeding of only the quickest with the quickest, the mean running speed of the lizards has not changed. Which of the following is correct about this experiment? O None are correct This was a cross-fostering experiment that tested for the effects of parental behavior on the development of a trait O This was a common garden experiment designed to remove the influence of the environment on the development of a trait This selective breeding experiment provided evidence that variation in running speed in the original population was not caused by genetic differences among them