title: The nature of the inheritance of modified characters in some mutant forms of pea.
mesh_terms: D003433:Crosses, Genetic; D004777:Environment; D005720:Gamma Rays; D005796:Genes; D006824:Hybridization, Genetic; D009154:Mutation; D010641:Phenotype; D011831:Radiation Genetics; D012639:Seeds / Q000528:radiation effects; D014675:Vegetables