>>533651263
Human genetic diversity is incredibly low because of an evolutionary bottleneck about 930,000 years ago wherin there were only about 1200 humans who form the basis of the species today.
The human genome project complleted in 2003 confirmed that all humans are 99.9% genetically identical.
You can determine a dog's breed with genetic sequencing, but not a humans race, it will only tell you where their ancestors are probably from based on the proximity of your SNP markers to those of historic populations such that it's indicative of your descent