title: Naturally occurring polydactyl and limb duplication in Ambystoma.
mesh_terms: D000557:Ambystoma; D000818:Animals; D005121:Extremities / Q000002:abnormalities*; D055614:Genetic Phenomena; D040941:Heredity; D017880:Limb Deformities, Congenital; D017689:Polydactyly
keywords: EXTREMITIES/abnormalities; HEREDITY/mechanism; POLYDACTYLIA