Q J Med 2004; 97: 459-460
QJM vol. 97 no. 7 © Association of Physicians 2004; all rights reserved.
Biologic |
Active evolution and current molecular learning
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It is sometimes said that one cannot have intermediary forms of organs or tissues in evolution that are useful, despite a great deal of data to show that this is simply not true (the eye, the subject of a previous Biologic, was formed in about 400 000 years1). Richard Dawkins has often written about the difficulties that creationists and others (he singles out lawyers as a group that believe in discontinuities rather than continuous variation) have with the absence of intermediate forms, perhaps because of a view of evolutionary action that is progress driven. But continuous variation is obvious, and