: Why can’t DNA tests and Genetics determine race & ethnicity when it can tell you where your ancestors are from, and if not what does?
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The same reason we can’t make machines that “tell you” a color, you can only get wavelengths, a measurement that we interpret a certain way. Red or blue mean nothing mechanically, that’s emergent to us. Ethnicity and race is the same way, but genes are even more complicated. There is no such thing as a discreet race or ethnicity, there’s groupings and proportions of genes we have decided to interpret that way.
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