In Experiments Using Artificial Selection to Change the Number of Bristles

Multiple Choice

In experiments using artificial selection to change the number of bristles in the fruit fly Drosophila melanogaster,the resulting population of flies

A) Bristle number is likely determined by multiple genes.
B) Some experiments used directional selection.
C) Some experiments used disruptive selection.
D) Large changes in bristle number took place within 35 generations.
E) At the end of the experiment,were unable to interbreed with wild type flies.