link to the paper: http://www.pnas.org/content/early/2014/06/11/1406556111 http://www.pnas.org/content/early/2014/06/11/1406556111 Although gene-expression and

link to the paper: http://www.pnas.org/content/early/2014/06/11/1406556111 http://www.pnas.org/content/early/2014/06/11/1406556111 Although gene-expression and socio-evolution might have a bigger role in selection than the genes itself.