'''Dual inheritance theory''', (or '''DIT'''), in sharp contrast to the notion that "culture overrides biology," posits that humans are products of boththe ''interaction'' between biological [[evolution]] ''and'' [[cultural evolution]]. DIT assumes that culture, each(including subjectcultural totransmission theirand owncultural selectiveevolution), mechanismsis both influenced by and formsconstrained ofby transmission.genes Thevia focus[[psychological ofadaptation]]s researchand isthat thereforeculture, in turn, contributes to selection pressures on bothgenes. theThe mechanismsresults of culturalthese transmissioninteractions andcan thebe selectivea pressuresmix thatof influenceboth cultural[[adaptive]] and maladaptive changetraits.
==Evolution and Populations==
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==Research==
Contemporary work in the dual inheritance/gene-culture coevolution tradition includes [[empirical studies]] designed to [[experiment|test]] ideas, (e.g. simulations, cross-cultural studies), derived from the [[mathematical theory]]. Presently, DIT is muchconsiderably more developed theoretically than it is empirically.
