title: Cultural evolution and emergent group-level traits through social heterosis.
abstract: Smaldino proposes emergent properties of human groups, arising when individuals display both differentiation and organization, constitute a novel unit of cultural selection not addressed by current evolutionary theory. We propose existing theoretical frameworks for maintenance of genetic diversity - social heterosis and social genomes - can similarly explain the appearance and maintenance of human cultural diversity (i.e., group-level traits) and collaborative interdependence.
authors: Department of Ecology and Evolutionary Biology,University of California,Los Angeles,CA 90095.pnonacs@biology.ucla.eduhttps://www.eeb.ucla.edu/index.php.
authors: Peter
authors: P
authors: Nonacs
authors: Department of Entomology,Institute for Genomic Biology, University of Illinois at Urbana-Champaign,Urbana,IL 61801.kapheimk@illinois.eduhttp://www.igb.illinois.edu/
authors: Karen M
authors: KM
authors: Kapheim
mesh_terms: D003299:Cooperative Behavior; D003468:Cultural Evolution; D006126:Group Processes; D006801:Humans; D012641:Selection, Genetic