1. The Suppressor-Mutator System of Control of Gene Action in Maize (Part VIII, "Cyclical Change in Phase of Activity of the Suppressor-Mutator Controlling Element in Maize" [pages 26-50]) Publication: Produced: October 1959 Subject(s): Suppression, GeneticGene Expression RegulationZea maysMutationGenes, Plant Archival Collection: The Barbara McClintock Papers (Profiles in Science)