If you intern at 23andMe, it's a "hello world" level problem to correlate genetics and ancestry/race. Or just submit a blinded set of saliva samples and see whe

If you intern at 23andMe, it's a "hello world" level problem to correlate genetics and ancestry/race. Or just submit a blinded set of saliva samples and see whether their ancestry painting algorithm correctly identifies the pre-1492 ancestral locations of your four grandparents. This is about real raw data.