I think there's two ways to read this: "dispels a biological concept of race" - as in, it dispels one concept or "dispels a biological concept of [human] rac

I think there's two ways to read this: "dispels a biological concept of race" - as in, it dispels one concept or "dispels a biological concept of [human] race [because the genetics variants determining pigment predate humanity, therefore either human delineation of race predates humans, or is incoherent]"