Denis Noble describes his short book, "The Music of Life: Biology Beyond Genes", as a polemic. It is, in fact, a clarion call for a rethink to the reductionist dogmas that currently plague--and hinder--so much scientific thinking, particularly in the field of biology and, most especially, genetics. Professor Noble is not, of course, alone in making this call (see, for instance, Stuart Kaufmann's "
Reinventing the Sacred" or "
Evolution in Four Dimensions" by Eva Jablonka and Marion J. Lamb) but he presents a particularly clear-sighted argument which few others have so far matched. His is a far-reaching and eminently readable disquisition, attacking first the popular metaphor articulated primarily by Richard Dawkins in "
The Selfish Gene" (and promulgated endlessly--usually incorrectly--by science popularists ever since) that genes are the engines of evolution and each genome a comprehensive "program of life". Throughout his book, Noble turns that view around with a different and far more accurate metaphor, presenting the genome as a database from which the organism can select in order to call upon an elegant modularity of gene expression in a bewildering display of inventiveness of response to environmental and physiological conditions.
Along the way, the author uses a series of music-related analogies to extend his metaphor and piece together the various fragments of his argument into a coherent look at the biology of the organism as a fully functioning system, operating on and at many levels. He shows that far from the established view where the arrows of explanation all point downwards to the lower, ever more fundamental elements of cellular physiology (ending up ultimately at DNA as the primary explanatory element) there exists in reality a complex system of feedback pathways which enable the organism to act upon its own genetic material, altering the way that each gene is expressed in combination with others as a consequence of their whereabouts within the organism, or the conditions to which the organism may be subjected. Within this systems view of biological functioning, the complex pathways of interaction become the primary explanatory elements, rather than any of the physical components themselves.
This single insight provides several additional mechanisms for the operation of evolution through natural selection over and above the simplistic one of random gene mutation which is held in such high regard by today's neo-Darwinists, and reopens the door to the long-ridiculed notion of so-called Lamarckian inheritance of acquired characteristics. It also calls into question the wisdom of, for instance, neurologists seeking the physical location of "the self" within the prescient organism; within Noble's view of things, such concepts as "the self" cease to have any likelihood of an actual physical presence (as separate, identifiable entities within the organism) but instead become emergent functional properties of a level of operation of the biological system itself.
It should be clear by now that this book presents serious challenges to a great deal of current biological dogma and there will be many readers for whom this book is an eye-opener. It is an easy and entertaining read for anyone with even a smattering of science and regardless of whether or not you finally come to agree with Denis Noble, you can be sure you'll find what he has to say interesting and enlightening.