The Color of Throats of Males in a Population of Side-Blotched

The color of throats of males in a population of side-blotched lizards is determined by

A) the frequency of homozygous recessive genotype.
B) ambient temperature-blue = cold; orange = normal; yellow = hot.
C) stage of development/maturity.
D) their receptiveness to mate.
E) the success of the mating behavior of each of the throat color phenotypes.