Thousands of years ago Scientists say all humans are descendants from this common pool of ancestors. Africa is the cradle of humankind. Africa and its multitude of ethnolinguistic groups are therefore fundamental to learning more about humankind and our origins. A human genome refers to the complete set of genetic information found in a human cell. We inherit our genomes from our parents. Studying the variations in different people’s genomes gives important clues to how genetic information influences people’s appearance and health. It can also tell us about our ancestry. To date,...