various phyla came into existence separately from each other by divine fiat: God created them on a one-by-one basis. Some propose that we substitute a theory of common function for the theory of common descent. Couldn’t the Creator have endowed species with similar genes in order to ensure that they had similar bodily structures and functions? In that case, it is not at all strange that humans and chimpanzees share a much larger part of their genome than, say, humans and mice. There are two problems