An Introduction to Sociobiology: Inclusive Fitness and the Core Genome Herbert Gintis
An Introduction to Sociobiology: Inclusive Fitness and the Core Genome Herbert Gintis June 29, 2013 The besetting danger is ...mistaking part of the truth for the whole...in every one of the leading controversies...both sides were in the right in what they affirmed, though wrong in what they denied John Stuart Mill, On Coleridge, 1867 A Mendelian populationhas a common gene pool, whichis itscollective or corporate genotype. Theodosius Dobzhansky, Cold Springs Harbor Symposium, 1953. The interaction between regulator and structural genes... [reinforces] the concept that the genotype of the individual is a whole. Ernst Mayr, Populations, Species and Evolution, 1970 Abstract This paper develops inclusive fitness theory with the aim of clarifying its appropriate place in sociobiological theory and specifying the associated principles that render it powerful. The paper introduces one new concept, that of the core genome. Treating the core genome as a unit of selection solves problems concerning levels of selection in evolution. 1 Summary Sociobiology is the study of biological interaction, both intragenomic, among loci in the genome, and intergenomic, among individuals in a reproductive popula- tion (Gardner et al. 2007). William Hamilton (1964) extended the theory of gene frequencies developed in the first half of the Twentieth century (Crow and I would like to thank Samuel Bowles, Eric Charnov, Steven Frank, Michael Ghiselin, Peter Godfrey-Smith, David Haig, David Queller, Laurent Lehmann, Samir Okasha, Peter Richerson, Joan Roughgarden, Elliot Sober, David Van Dyken, Mattijs van Veelen and Edward O. Wilson for advice in preparing this paper. 1 Kimura 1970, B¨urger 2000, Provine 2001) to deal with such behavior.
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