The American Negro, says Zoologist Curt Stern of the University of California in Scientific American, is doomed to disappear through racial diffusion. As a group of mankind, American Negroes are relatively new. They have existed for only 300 years, and are already notably mixed. Dr. Stern figures from their blood-group makeup that about two-thirds of their genetic material (heredity) comes from Africa, about one-third from Europe. More than 78% of American Negroes have some non-African genes; by 1980 there will be hardly a single U.S. Negro of pure African descent.
There will still be plenty of dark-skinned Negroes, but skin color,...