US craze for DNA 'heritage' tests may bolster racism, critics warn

US craze for DNA 'heritage' tests may bolster racism, critics warnMillions of Americans are using DNA test kits sold online to research their ancestry, either out of simple curiosity or to find answers about their identity. In a country whose population, for the most part, arrived in various waves of migration — and where genealogy has caught the public imagination — the DNA tests have proven wildly successful. The main companies offering the service, Ancestry and 23andMe, say they have tested between 15 million people between them.



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