Random chart - genetic testing

Source: Genetic testing, insurance discrimination and medical research: what the United States can learn from peer countries

The origins of Homo Sapiens

"The findings, which jibed with previous research from anthropology, archaeology, linguistics and biology (including previous mitochondrial and Y DNA studies), also provided a broader statistical foundation for the out-of-Africa hypothesis, supporting the idea that a small population of humans moved out of the continent, then grew in size in a new home until another subgroup of “founders” broke off and moved away—a process that repeated itself until the entire world was settled."

The Migration History of Humans: DNA Study Traces Human Origins Across the Continents
What Genes and Fossils Tell Us