title: Expression of beta-keratin genes during development of avian skin appendages.
mesh_terms: D000818:Animals; D001483:Base Sequence; D002454:Cell Differentiation; D002642:Chick Embryo; D004247:DNA / Q000235:genetics; D004817:Epidermis / Q000378:metabolism; D005241:Feathers / Q000196:embryology; D005786:Gene Expression Regulation; D007633:Keratins / Q000235:genetics*; D008969:Molecular Sequence Data; D009024:Morphogenesis; D009154:Mutation; D009693:Nucleic Acid Hybridization; D012333:RNA, Messenger / Q000235:genetics; D012867:Skin / Q000196:embryology*
chemical_list: D012333:RNA, Messenger; D007633:Keratins; D004247:DNA