The Regulatory Gene Fruitless (Fru) Affects Nearly Every Aspect of Courtship

Multiple Choice

The regulatory gene fruitless (fru) affects nearly every aspect of courtship behavior in fruit flies by

A) altering the structures of nearly 90% of the fly's nervous system.
B) influencing the number of potassium channels in nerve cells.
C) producing white eyes rather than red.
D) responding to the number of X chromosomes present.