... MA.: MIT Press, pp. 355–69.Lawrence, P. A., and G. Struhl. 1996. Morphogens, compartments and pattern:Lessons from Drosophila? Cell 85: 951–61.Lipton, P. 1991. Inference to the Best Explanation. ... point of view) top-down pattern of appearance, in whichhigher taxa (and the body plans they represent) appear first, only later to befollowed by the multiplication of lower taxa representing variations ... algorithms are programs that allegedly simu-late the creative power of mutation and selection. Richard Dawkins andBernd-Olaf Kuppers, for example, have developed computer programs thatputatively...