Slate: "DNA Tests Quietly Reinforce Terrible and Scientifically Inaccurate Concepts of 'Ethnicity'" | Blog Posts
AUG 28, 20189:00 AM … What worries me most, however, is that companies offering personal genetic testing customarily seem to report back to those sending along a sample of their spit that they are a mix of different “ethnicities.” This is more than simply statistical nonsense. I fear doing this can also be dangerous. Claiming that it is possible to map ancestry in this fashion may be giving discredited old ideas about ethnicity and race new visibility. … We inherit roughly half our genes from our mothers and half from our fathers. If one or both of them should be unknown to you, it is...