Blood group genetics began in the 1920s, when immunologists Ludwig and …show more content…
The willingness of physical anthropologists to confront the empirical challenges posed by racial studies was particularly influential to new thinking about race. Not only were physical anthropologists splintered on what constituted race, they also debated the number of races and how to delineate them. Secondly, the discovery of Nazi atrocities and the burgeoning Civil Rights movement prompted many physical anthropologists to rethink the race concept as they sought to distance their field from the scientific racism of the first last century. And finally, the emergence of the modern synthesis changed the way that many geneticists thought about race. The shift towards populations as the basis for analysis, many argued, was no longer compatible with the essentialist notions underpinning