Tracing Our Genetic Mutations: From Me to You

In Central West Africa over a quarter of a million years ago, mankind evolved to become the very first known genetically and anatomically modern humansHomo sapiens. One hundred forty thousand years ago, some of these modern humans migrated to the Great Rift Valley and Ethiopia, where almost all non-African people living today originated. More than seventy thousand years ago, some of their descendants moved across the Red Sea to the Arabian Peninsula, where 90 percent of the worlds existing ...