The Confusing Changing Results from DNA Ancestry Tests | Matthew Schneider

The Confusing Changing Results from DNA Ancestry Tests | Matthew Schneider: As I've noted before, companies like 23andMe or AncestryDNA use probability not precise science to determine where your DNA is from. This is why different companies might give you different results. Despite this, in their promotions, they seem to promote its certainty. Recently an article on STAT pointed out a