There are those who still believe that notions of racial purity are biologically and theologically sound, and therefore desirable, in spite of the fact that current genetic evidence has obliterated all justification for such notions.
As quoted in Everyone is African: How Science Explodes the Myth of Race (2015), by Daniel J. Fairbanks, p. 152. - The Arts, the Sciences, and the Light of the Gospel (2000)