DNA Mapping 121 African Populations
DNA mapping Africa through genetics after Dr. Sarah Tishkoff studied 121 African populations, four African American and 60 non-African populations.Dr. Sarah Tishkoff is a professor of Genetics and Biology at the University of Pennsylvania studying Africa's genetics.
There is an extensive amount of ethnic diversity in Africa and genetic evidence is at the moment pointing to East Africa as the cradle of humanity. In 1924 the Taung child a fossilized skull of a young child who lived about 2.8 million years ago in Taung, South Africa was discovered.
Dr. Sarah Tishkoff is a professor of Genetics and Biology at the University of Pennsylvania studying genetic material variations, human evolution, and disease risk in global populations.Since 2001 Dr. Tishkoff studies observable characteristics of ethnically diverse Africans, such as shape, stature, size, color, and behavior that results from the interaction of its genetic makeup with the environment.
The Khoisan people of Southern Africa was previously thought to possess the oldest DNA lineages, but those of the Sandawe tribe of central Tanzania are older. This suggests southern Khoisan originated in East Africa, according to Dr Tishkoff. Modern humans originated in Africa around 200,000 years ago and then spread across the rest of the globe within the past 100,000 years.
Modern humans have existed continuously in Africa longer than in any other geographic region and have maintained relatively large effective population sizes, resulting in high levels of within-population genetic diversity. 1.3 billion People live on the African continent, that's roughly 724 trillion cells in each human body, limitless genetic diversity and one mother of us all.
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