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 Friday, September 27, 2002
 Posted by Roberto
 7:38 AM   0 comments   

TRANSGENICS :: © Copyright 2002 USA TODAY

While cloning isn't seen as an environmental concern, transgenics are. New genes give animals an advantage -- but at a price. Take the line of catfish that create their own antibiotics. This just means the bacteria attacking them will get stronger.

In biology it's known as the Red Queen hypothesis, named for the huffy chess piece in Lewis Carroll's Through the Looking Glass, who had to run faster and faster to stay in the same place.

''Any time you delay viral resistance, it just takes a few years before the viruses catch up,'' says Purdue University animal scientist William Muir.

 
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