Catatonic
Nine Lives
It is based on Mitochondrial DNA which comes from the female chromosome and the fact that DNA strands are interpopulated with DNA from both parents ... it certainly is not as accurate as actual, ad hoc analysis can be.Did you hear of the recent case where a black man had his tested and was all upset when it showed he was mainly European?
Man Refuses To Accept He’s No Longer Black After DNA Test Results - Liberty Headlines
I am not an expert or even novice on this so someone with an interest in this area ... feel free to add to, change or delete any of what little I know.