How can I determine, with access to limited biological data, if my father is not who I thought he was? [more inside]
posted by anonymous on Jul 5, 2008 - 10 answers

Would it be worthwhile to preserve a sample of my parents' DNA, with their permission, in case I ever need it for genetic testing of myself or my family? [more inside]
posted by anonymous on Jan 26, 2008 - 9 answers

I'm a twenty-six-year-old fraternal twin, writing on behalf of both of us. Our mother has just revealed to us that the man we know as Dad is not our biological father. And the only person who knew the identity of our biological father...is dead. [more inside]
posted by anonymous on Nov 19, 2006 - 36 answers