The following is an excerpt.
Commercial DNA tests claiming to reveal people’s ancestors are little better than ‘genetic astrology’, according to scientists.
From a sample of DNA, genetic testing companies report on a person’s possible links to famous historical figures or groups such as the Vikings. A public guide produced this month by campaign group Sense About Science says DNA cannot be read ‘like a book or a map of a journey’.
View the original article here: DNA ancestry tests not to be trusted, say experts
