1. The Suppressor-Mutator System of Control of Gene Action in Maize (Part VII, "Identity of System Controlling Expression of a1m-1 and a2m-1" [Tables]) Publication: Produced: October 1959 Subject(s): Suppression, GeneticGene Expression RegulationZea maysMutationGenes, Plant Archival Collection: The Barbara McClintock Papers (Profiles in Science)