Z/W inheritance of feather form in poultry is revealed by analysis of reciprocal crosses

 (a) A hemizygous female (hen) with recessive nonbarred (white) feathers crossed to a pure-breeding male (rooster) with dominant barred feathers produces F1 progeny that are all barred. (b) The reciprocal cross produces barred roosters and nonbarred (white) hens (a) A hemizygous female (hen) with recessive nonbarred (white) feathers crossed to a pure-breeding male (rooster) with dominant barred feathers produces F1 progeny that are all barred. (b) The reciprocal cross produces barred roosters and nonbarred (white) hens

(a) Cross A QZbW 02823 All progeny are barred. Hens are white and roosters are barred.