Copy number quantitation- PCR

Daraporn Pittayakhachonwut g3736281 at
Wed Aug 7 07:57:00 EST 1996

Dear colleagues,

How do people quantitate/ titrate DNA copy numbers to ie, 1 copy number?
There should be some form of pipetting error or band intensity variation
in ie, semi-quantitative PCR right? How are these standardized?

If one wants to determine the copy number of a gene in PCR, what does one
do? How does one differentiate between ie, 5 and 10 copies? 5000 copies?

Please answer to my e-mail account : 

g3736281 at

since I don't have access to usenet often.

Thank you very much -

Sincerely yours,

g3736281 at

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