Recently, Monsanto’s apparent transformation from agrichemical giant to philanthropic institution was cynically trumpeted to the world’s media: ”We will double crops yields!” Such grandiose promises can only be offered if there is a parallel narrative that portrays genetic engineering as being able to permit the precise control of life processes and by extension, provide predictable and controllable agricultural outcomes. [...] But are the techniques that give rise to GM foods as precise and controlled as the PR blurb suggests?