http://www.gnxp.com/new/2009/03/23/brain-gene-expression-differences-as-a-function-of-time/ Genetics Tue, 03 Apr 2018 05:20:42 +0000 hourly 1 https://wordpress.org/?v=3.8.27 http://www.gnxp.com/new/2009/03/23/brain-gene-expression-differences-as-a-function-of-time/#comment-20476 Fri, 27 Mar 2009 04:59:10 +0000 #comment-20476 I would be interested in seeing a breakdown along human-bonobo-chimpanzee lines, as bonobos have a handful of neotenous features as well. The most notable is in the positioning of the vagina, making face-to-face copulation more comfortable and therefore more likely (as it indeed is in bonobos). It seems sexual neoteny came first, then upright walking, then the big brain.

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