In 1987, blood group protein analysis became more sophisticated with the use of DNA in mitochondria, the rod shaped 'power batteries' of cells, to construct a genetic tree. What startling conclusion did scientists come to?

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1. In 1987, blood group protein analysis became more sophisticated with the use of DNA in mitochondria, the rod shaped 'power batteries' of cells, to construct a genetic tree. What startling conclusion did scientists come to?