Front ; Table of contents; Preface; Introduction; The limits of culture in biotechnology; The cultural powers of the gene --; identity, destiny and the social meaning of heredity; Back to the future; in the environment: ecological, and therefore societal, implications; 6 DNA in the environment: ecological, and therefore societal, implications; 7 DNA and the new organicism; 8 DNA at the edge of contextual biology; 10 Genomic instability --; a story of repair, cancer and evolution with existential impact on the individual; Human biography and its genetic instrument. 14 DNA and food technology --; between natural food and food design18 in context --; genes, organisms and evolution illustrated through algae and buttercups; Transgenic plants --; consequences and impacts for production and ecology; Intrinsic value of plants and animals: from philosophy to implementation; Does human retardation occur at the molecular level?; 23 Heredity, gene therapy and religion; Genetic engineering and xenotransplantation; 25 Embryo, heredity and DNA; 26 Meeting the person behind the scientist involved in gene technology --; summary of the round table discussions. 27 Biotechnology as a socio-technical ensemble --; closing remarks and reflection.