Abstract
Concerns about the commercialization of genetics have spawned a debate over the symbolic logic and meaning of DNA. The assumption is that different meanings for DNA have social and ethical consequences. Genetic essentialism as an interpretive meaning for DNA is argued to encapsulate values of materialism and autonomy that make it compatible with capital accumulation. Whether or not genetic commerce actually requires genetic essentialism is an empirical question and this study proposes that it is not difficult to find non-essentialist genetics. Two paths of inquiry are adopted. First, the history and origins of the distinction between genotype and phenotype is revisited. This history of gene theory, in particular the effort to purge vitalism, is linked to DNA and the central dogma of molecular biology. Secondly, a rather specialized debate within anthropology about the meaning of mana is introduced. An analysis of definitions for genotype and phenotype reveals a structure commensurate with the metaphysics of mana. Parallels are established between how the meaning of mana has been essentialized and the current efforts to fix the symbolic logic of DNA.
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