You have been doing extensive research for 30 years on the frequency of coat colors (black, gray, white) in a guinea pig population located in the Andes Mountains. You suspect that your guinea pig population is undergoing stabilizing selection. If this is the case, what would you expect to find when you graph your data? Select all that apply.A) Two peaks, one at each end of the graph.B) A graph with a single peak towards the far right.C) A graph with a single tall and narrow peak located in the center.D) A graph indicating gray guinea pigs have an advantage over black guinea pigs and white guinea pigs.E) A graph indicating that gray guinea pigs are being selected against.
What will be an ideal response?
C, D
If your population is undergoing stabilizing selection, then you would expect to the graph to show a single peak that is both tall and narrow. It would also indicate that gray guinea pigs have an advantage in this environment over black guinea pigs and white guinea pigs.
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