Biological arguments for racism may have been common before 1859, but they increased by orders of magnitude following the acceptance of evolutionary theory.The non-creationist reference is here: Creation/Evolution Quotes. It's this:
Biological arguments for racism may have been common before 1859, but they increased by orders of magnitude following the acceptance of evolutionary theory. The litany is familiar: cold, dispassionate, objective, modern science shows us that races can be ranked on a scale of superiority. If this offends Christian morality or a sentimental belief in human unity, so be it; science must be free to proclaim unpleasant truths. But the data were worthless." (Gould S.J., "Ontogeny and Phylogeny," Belknap Press: Cambridge MA, 1977, p.127)
True, it's a bit like saying that the Theory of General Relativity negates morality because it teaches that everything is relative to the observer, and therefore morality is subjective.
The misappropriation and misapplication of a concept does nothing to negate the concept.