Diagram showing the scheme of inheritance in the blue Andalusian fowl.] These facts may be illustrated graphically as follows where the word "black" indicates the original black parent, "white" the original white (black splashed) parent and "blue" the hybrid offspring. Parental Generation (P) Black × White Black × White | | First Filial | | Generation (F_{1}) Blue × Blue | +------------------------------------------+ | | | Second Filial Black Blue White Generation (F_{2}) (25%) (50%) (25%) | | | | +-------------------------+ | | | | | | Third Filial Black Black Blue White White Generation (F_{3}) | (25%) (50%) (25%) | | | | | | | | +-------------+ | | | | | | | | | Fourth Filial Black Black Black Blue White White White Generation (F_{4}) (25%) (50%) (25%)