A matter of mutation

Michael Behe, a biochemistry professor at Leigh University and one of the chief advocates for intelligent design (ID), has written a sequel to Darwin’s Black Box (1998). In his earlier work Behe argued that organisms possess some features that cannot result from Darwinian evolution because they are “irreducibly complex.” Such structures can function only when all their pieces are in place, and therefore, he maintained, they could not have been assembled through the gradual modification of preexisting structures as the standard Darwinian evolutionary narrative envisions.


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