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. 2020 Apr 15;6(16):eaay0328. doi: 10.1126/sciadv.aay0328

Fig. 1. Causal models of structures underlying genetic associations.

Fig. 1

Population stratification due to ancestral differences (yellow lines), dynastic effects (red lines), and assortative mating (green line). Arrows represent direction of effect; nondirected lines represent simultaneous assortment. Note: Assortative mating by phenotype will lead to genotypic correlation (62).