For example, our use of “European” population denotes people of shared “proto-European” ancestry, which includes not only populations residing in the European continent, but also the Middle East and South Asia.Our definition of this founding population is based on evolutionary and anthropologic studies which show that these peoples’ common ancestor arose from anatomically modern humans who travelled out of Africa about 50,000 years ago to colonize the Fertile Crescent area of the Middle East—what today encompasses the countries of Lebanon, Israel, Syria, Palestine, Jordan and Iraq, and including the land between the Tigris and Euphrates rivers.
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There is no question that fermentation takes place accidentally (as it must have done countless times before humans learned something about controlling the process), and most investigators believe that barley was first cultivated in the Fertile Crescent region of lower Mesopotamia between the Tigris and Euphrates rivers.
Grain is heavy to transport relative to the beer made from it, so it is not surprising that there may be evidence of ale in these outposts and not unreasonable to suspect that accidental fermentation did occur at some point in the ancient Mesopotamian region, leading to beer making." ---Cambridge World History of Food, Kenneth F.
BGA is a means of expressing the proportional ancestry of a person that is independent of the various socially determined “races.” While race is often defined by social or political conventions (there is no biological definition of “race”), biogeographical ancestry describes populations that share similar DNA markers because of a shared ancestry, which may span a range of geographical locations.
As mentioned, the terms for the founding populations used in the test report are used broadly, in part for brevity and practicality.
Interpreting your results in the context of your physical appearance is also discussed towards the end of this page.