KnowraOne-drop ruleLinked fromLinked fromThe 8 pages that link to One-drop rule, each with the reason it gives.All 8Broader topic 1Related 5Compared with 2ColorismCompared with: Its ancestry-based boundary contrasts with colorism's distinctions among skin shades within racial groups.CastaCompared with: It contrasts with casta’s proliferation of mixture labels and its context-dependent classifications.