title: Two "what if" experiments.
authors.affiliation: Sloane Kettering Institute, New York, New York 10021, USA. m-ptashne@ski.mskcc.org
authors.forename: Mark
authors.initials: M
authors.lastname: Ptashne
mesh_terms: D010582:Bacteriophage lambda / Q000235:genetics; D015967:Gene Expression Regulation, Viral; D049673:History, 20th Century; D049674:History, 21st Century; D008967:Molecular Biology / Q000266:history*