The simplest possible wind-energy turbine consists of three crucial parts: 1  Rotor blades-The blades are basically the sails of the system; in their simplest form, they act as barriers to the wind (more modern blade designs go beyond the barrier method).
Bay horses with allele AA but not A+ are bay, with a black mane, tail and points. Their bodies may be reddish-brown (as in standard, blood and mahogany bays), orange-red (as in copper bays) or yellowish (as in golden bays) and may have a black cast. Horses with allele A+ are light or wild-type bay.
Grullo is the result of the dun factor gene on a black horse. Grullo (used here for both masculine, and the feminine grulla) is to black as dun is to bay, and as red dun is to sorrel. They are just the colors that result when the dun factor is applied to the base coat colors.