You are 100% correct, and anyone can verify for themselves that you can predict geographic ancestry from saliva to an incredible level of detail: https://www.2

You are 100% correct, and anyone can verify for themselves that you can predict geographic ancestry from saliva to an incredible level of detail: https://www.23andme.com/ancestry/origins https://www.23andme.com/ancestry/origins Nevertheless, if you take for the sake of argument the fallacious concept that "geographic ancestry has no connection to genetics", then there is and should be nothing stopping an Asian American (or a European American for that matter) from self-identifying as an African American. Is a university going to start administering blood tests?