" The concept of race as distilled into popular culture is the product not only of scientific research but of history, culture, and politics as well– the product, in other words, of flawed human beings. Columbia University sociologist Alondra Nelson has described the concept of race as “a way to sort human communities in such a way to justify social inequality; this sorting is neither natural nor inevitable.” [Boldface added] "

― Libby Copeland , The Lost Family: How DNA Testing Is Uncovering Secrets, Reuniting Relatives, and Upending Who We Are