Data Retention Regulations in the Lords

[Alan Braggins]

2009/3/30 Roland Perry <lists@internetpolicyagency.com>:
>>
>> Twins are generally the same age.
>> http://en.wikipedia.org/wiki/Twins#Statistics says 1.9% though, not 1%.
>
> (Although only 0.2% are identical twins)

Good point


> I thought the expression "genetic twin" above meant two unrelated people who
> just happened to have the same 'fingerprint'.

I can't find the full mail in question now. Strange.


>> (As for marking people who aren't twins but have duplicate results for
>> the subset of DNA tested, that only helps if all of them have been
>> tested and put in the database.)
>
> You'll only get potentially false positives if both are in the database.

No, the really dangerous false positive is when the database says "this is
the only match for the evidence", and someone not actually in the database
actually did it.

-- 
alan.braggins@gmail.com
http://www.chiark.greenend.org.uk/~armb/