What's in a Cause?: The Pragmatic Dimensions of Genetic Explanations

Author: Gannett L.

Source: Biology and Philosophy, Volume 14, Number 3, July 1999 , pp. 349-373(25)

Publisher: Springer

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Abstract:

The paper argues for a pragmatic account of genetic explanation. This is to say that when a disease or other trait is termed `genetic,' the reasons for singling out genes as causes over other, also necessary, genetic and nongenetic conditions are not wholly theoretical but include pragmatic dimensions. Whether the explanation is the presence of a trait in an individual or differences in a trait among individuals, genetic explanations are context-dependent in three ways: they are relative to a causal background of genetic and nongenetic factors; they are relative to a population; and they are relative to the present state of knowledge. Criteria like causal priority, nonstandardness, and causal efficacy that purport to distinguish objectively between genetic causes and nongenetic conditions either incorporate pragmatic elements or fail for other reasons. When the pragmatic dimensions of genetic explanations are recognized, we come to understand the current phenomenon of ``geneticization'' to be a reflection of increased technological capacities to manipulate genes in the laboratory, and potentially the clinic, rather than theoretical progress in understanding how diseases and other traits arise. This calls into question the value of the search for theoretical definitions of designations like `genetic disease' or `genetic susceptibility' as directives for action.

Keywords: cause-condition distinction; genetic trait; geneticization; pragmatic

Language: English

Document Type: Regular paper

Affiliations: 1: Minnesota Center for Philosophy of Science, 309 Ford Hall, University of Minnesota, Minneapolis, MN 55455, U.S.A.

Publication date: 1999-07-01