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The function debate : between “cheap tricks” and evolutionary neutrality (CROSBI ID 215666)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Šustar, Predrag ; Brzović, Zdenka The function debate : between “cheap tricks” and evolutionary neutrality // Synthese (Dordrecht), 191 (2014), 12; 2653-2671. doi: 10.1007/s11229-014-0407-4

Podaci o odgovornosti

Šustar, Predrag ; Brzović, Zdenka

engleski

The function debate : between “cheap tricks” and evolutionary neutrality

We examine the use of the notion of natural selection in the philosophical debate on functions in biology. This debate has been largely shaped by the way in which different accounts assess various selective pressures in justifying claims about biological functions. Cummins (Functions: new essays in the philosophy of psychology and biology. Oxford University Press, Oxford, pp 157–172, 2002), one of the main proponents of the causal role account of biological functions, argues that a correctly understood neo-Darwinian notion of natural selection has nothing to do with functional talk in biology. In this paper, we counter Cummins’ account by showing that progress in the molecular approaches to evolutionary biology—specifically scientific data available in neo- functionalization research—offers valuable support to the etiological selectionist approach to functions in biological and biologically- related sciences. Finally, we use the presented data to build our own account of biological functions, which tries to avoid the wrong turns taken by both major strands in the biological function debate, namely causal role and etiological accounts. According to our account, the function of a certain gene or a protein in the biological system that contains it is a particular causal activity, or a group of causal activities whose manifestation is in a specific way determined by corresponding mechanisms of genetic expression. Also, we argue that in many important cases this particular expression of genetic activity was positively selected at a certain point in evolutionary history. Since we take selection as an important but not the only factor that grounds biological functions, we are committed to a weak etiological account.

Biological function ; etiological accounts ; causal role accounts ; Cummins ; evolutionary neutrality

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Podaci o izdanju

191 (12)

2014.

2653-2671

objavljeno

0039-7857

1573-0964

10.1007/s11229-014-0407-4

Povezanost rada