One of the potential by-products from online genealogy, which has created a dramatic rise in the popularity of family history research, is rich family tree databases which will be invaluable for medical research.
The combination of DNA tests and traditional research will help to fill in the gaps that have made the goal of a global family tree impossible.
Online Genealogy may be the online application that is about to come out of stealth mode. It is the second most popular hobby in the US, is one of the most successful e-commerce areas and now the connection to life-sciences promises to make it much more lucrative.