504
Why I regret using 23andMe: I gave up my DNA just to find out I’m British | Technology | The Guardian
(www.theguardian.com)
This is a most excellent place for technology news and articles.
As it only requires saliva, any father can test their child’s DNA. Babies drool a lot. It may cost a few hundred dollars to do so. I suppose that makes it even less trusting to do it in secret than just having it as standard medical procedure.