X-Message-Number: 8432
From: Thomas Donaldson <>
Subject: Re: CryoNet #8421
Date: Fri, 1 Aug 1997 01:08:31 -0700 (PDT)

Hi!

While I'm happy about cloning, and even see some applications in medicine
near term, both introduction AND removal of genes have been already done in
animal experiments. One major way to explore how our brains work, right now,
is to produce animals lacking the gene for one or another enzyme, or even
make animals for which production of that gene can be turned off not 
everywhere but in some particular area of the brain or at some particular
times.

Still, cloning is one more advance in our control over life ... a major form
of nanotechnology, though many seem not to see that.

			Best and long long life,

				Thomas Donaldson

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