[Gllug] Biometrics?

[James Hawtin]

On Mon, Mar 23, 2009 at 11:03:28AM +0000, John Edwards wrote:
> On Mon, Mar 23, 2009 at 09:54:06AM +0000, John G Walker wrote:
> > On Mon, 23 Mar 2009 09:40:33 +0000 (GMT) Chris Bell
> > <chrisbell at overview.demon.co.uk> wrote:
> > 
> >> how big is a DNA ID record?
> > 
> > They don't record all the DNA details of an individual, which would eb
> > impossible. They record specific markers,
> 
> Which is why DNA fingerprinting is not 100% accurate and you get
> collisions in any large sample. Make that sample 60 million and
> collisions are inevitable.
> 

Actually you can get a collision with a very small sample identical twins,
which are quite common.

James

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