CARTA: Domestication and Human Evolution - Robert Franciscus: Craniofacial Feminization in Canine and Human Evolution
Date: 6/27/2016; 20 minutes


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Robert Franciscus (Univ of Iowa) explains that anatomically modern humans are recognized in the fossil record primarily by retraction and diminution of the facial skeleton compared to pre-modern "archaic" humans. He then describes a promising model for the advent of facial diminution, which suggests that anatomically modern humans represent a 'self-domesticated' species where selection for increased social tolerance led to growth and developmental alterations producing craniofacial "feminization," which itself results in a phenotypic signal of reduced aggressiveness. Recorded on 10/10/2014. (#28897)


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