Culture rather than genes provides greater scope for the evolution of large-scale human prosociality
Adrian V. Bell a,1, Peter J. Richerson b and Richard McElreath c
+ Author Affiliations
aGraduate Group in Ecology,
bDepartment of Environmental Science and Policy, and
cDepartment of Anthropology, University of California, Davis, CA 95616
Edited by Richard E. Nisbett, University of Michigan, Ann Arbor, MI, and approved August 31, 2009 (received for review March 25, 2009)
Abstract
Whether competition among large groups played an important role in human social evolution is dependent on how variation, whether cultural or genetic, is maintained between groups. Comparisons between genetic and cultural differentiation between neighboring groups show how natural selection on large groups is more plausible on cultural rather than genetic variation.
altruism cultural FST group selection prosociality
Footnotes
1To whom correspondence should be addressed. E-mail: avbell@ucdavis.edu
Author contributions: A.V.B., P.J.R., and R.M. designed research; A.V.B. performed research; A.V.B. analyzed data; and A.V.B., P.J.R., and R.M. wrote the paper.
The authors declare no conflict of interest.
This article is a PNAS Direct Submission.
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