Sex-Specific Splicing of Both Fruitless and Doublesex Is Essential for the Establishment

Essay

Sex-specific splicing of both Fruitless and Doublesex is essential for the establishment of normal neuronal circuitry underlying courtship behavior. Please indicate whether Dsx^F or Fru^M is responsible for each of the following functions.
A. Promotes programmed cell death in developing P1 neurons
B. Prevents programmed cell death in the motor neuron innervating the muscle of Lawrence
C. Promotes male-typical projection patterns in developing P1 neurons
D. Prevents midline crossing by taste receptor neurons on the foreleg
E. Promotes projection patterns in third order neurons that mediate aggression in response to the male pheromone cVA