The non-recognition of mixed race identity is connected to racist ideas of racial difference by following the one-drop rule. This rule indicates that a person is racially black if they have even one black ancestor of descent. This rule also correlates that a person is only white if they have no non-white ancestors. The one-drop rule can be considered a form of non-recognition of mixed race identity, because it does forces one specific racial identity onto the person of mixed race and disregards any other. This is connected to racist ideas of racial difference in the sense that it fundamentally supports false categories of race and rests on the idea of racial purity (Zack, 78). The fantasy of racial purity, in itself, is a racist idea of racial
