title: Genetic variation in the genus Bufo. I. An extreme degree of transferrin and albumin polymorphism in a population of the American toad (Bufo americanus).
mesh_terms: D000483:Alleles; D000818:Animals; D002025:Bufonidae; D004591:Electrophoresis, Polyacrylamide Gel; D005260:Female; D014644:Genetic Variation; D006579:Heterozygote; D006720:Homozygote; D008297:Male; D010641:Phenotype; D011110:Polymorphism, Genetic; D012709:Serum Albumin / Q000302:isolation & purification*; D014168:Transferrin / Q000302:isolation & purification*
chemical_list: D012709:Serum Albumin; D014168:Transferrin