one copy Vs Two copies

Chris LaRosa clarosa at
Thu Jun 22 16:47:47 EST 2000

fxl4 at wrote:
> Does anybody have a bright idea on how to tell the difference between one
> copy of a specific gene and two copies of it in the genome?Assuming that
> the genes are identical,you cannot apply Southern blot to tell the
> difference on RE fragments.
> Thanks.

One can titre amounts or authentic gene say 1c copy worth, 2 copy worth
3 copy worth etc.  , and attept to compare signal strength versus the
unknowns.   However, usually authors only made conclusions of small gene
family versus medium versus large gene family .

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