You cannot look at DNA and read it like a book or a map of a journey. For the most part these tests cannot tell you the things they claim to – they are little more than genetic astrology.

“It is well known that horoscopes use vague statements which recipients think are more tailored than they really are (referred to as the ‘Forer effect’). Genetic ancestry tests do a similar thing, and many exaggerate far beyond the available evidence about human origins. You cannot look at DNA and read it like a book or a map of a journey. For the most part these tests cannot tell you the things they claim to – they are little more than genetic astrology.”

Tabitha Innocent, “Sense About Genetic Ancestry Testing,” Sense About Science: Science and Evidence in the Hands of the Public, (March 7, 2013). 1. http://archive.senseaboutscience.org/data/files/resources/119/Sense-About-Genetic-Ancestry-Testing.pdf.

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