PCR for detecting GMOs

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• Previous message: Andy Clark: "Director, Leopold Center for Sustainable Agriculture"

You wrote:

> Suppose regulators use PCR to check for
> characteristic GMO DNA in grain. PCR is so sensitive that you could
> probably pick up contamination at the rate of 1 kernel in 10,000. It is
> impossible to avoid GMO contamination at that level.
>

Can you explain what PCR is as a test? I have really been wondering
about how the Europeans are able to detect GMOs in large shipments of
commodity crops. Thanks in advance.

Mary

--
Mary Hendrickson, Ph.D.
Network Coordinator
Food Circles Networking Project
University of Missouri Outreach and Extension
Department of Rural Sociology
Columbia, MO 65211

Tele: 573-882-7463
Fax: 573-882-1473



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• Previous message: Andy Clark: "Director, Leopold Center for Sustainable Agriculture"