The Size of a Particular Appendage in Many Populations of Beetles

question 88

Multiple Choice

The size of a particular appendage in many populations of beetles is determined by alleles at many genetic loci and is largely unaffected by selection.Initially, many populations start with about the same average size of the appendage.Assuming that genetic drift is the only evolutionary process operating, we would expect that over the course of many generations, the average size of the appendage would _______ and that there would be _______ difference in the size of the appendage among the different populations.

• A) increase; more
• B) increase; less
• C) stay about the same; more
• D) stay about the same; less
• E) decrease; more