[Gllug] Biometrics?

[Bernard Peek]

On Mon, 2009-03-23 at 12:00 +0000, James Hawtin wrote:
> 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.

Given that in many cases family members are the most likely suspects,
the collision rate should be expected to be much higher than chance
would predict.

-- 
bap @shrdlu.com 

-- 
Gllug mailing list  -  Gllug at gllug.org.uk
http://lists.gllug.org.uk/mailman/listinfo/gllug