From: David Honig <honig@sprynet.com>
Date: Sun, 8 Nov 1998 05:26:42 +0800
To: cypherpunks@toad.com
Subject: genetic copy protection
Message-ID: <3.0.5.32.19981107124923.007d7660@m7.sprynet.com>
MIME-Version: 1.0
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A patent on a means to produce seeds which germinate, but
which produce plants whose seeds are sterile, was
reviewed in Science, p 850, 30 Oct 98 vol 282.

The trick is that the seeds are genetically engineered, 
and the seeds are 'activated' by an antibiotic (which
acts like a signal).  The purpose is to copy-protect
other engineered genes in the organism.

US pat 5,723,765

David Honig

  "When horsemeat is outlawed, only outlaws will eat horsemeat"