Sex-linked coloboma in the chicken.
D000818:Animals; D001502:Beak / Q000002:abnormalities; D001947:Breeding; D002642:Chick Embryo; D002645:Chickens; D003103:Coloboma / Q000235:genetics / Q000662:veterinary; D000013:Congenital Abnormalities / Q000235:genetics; D005124:Eye Abnormalities; D005260:Female; D005804:Genes, Lethal; D017880:Limb Deformities, Congenital; D008297:Male; D011201:Poultry Diseases / Q000235:genetics*; D012730:Sex Chromosomes