> Many people have recently argued that, after a century of extraordinary
productivity, the concept of the gene has begun to outlive its usefulness.
Among the reasons generally given is the great difficulty that we encounter
today in trying to reach any sort of consensus about what a gene actually
is. Here is what we read in a recent issue of Nature:

> "Where the meaning of most four-letter words is all too clear, that of
gene is not. The more expert scientists become in molecular genetics, the
less easy it is to be sure about what, if anything, a gene actually is." --
Helen Pearson 

SEE:
"Beyond the Gene" Evelyn Fox Keller, David Harel
PLoS ONE 2(11): e1231

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