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. 2017 Mar 24;4:4. doi: 10.1186/s40575-017-0043-7

Fig. 3.

Fig. 3

Manhattan plot of genome wide association study of PC1 modeled with sex as a covariate. Marker position across the chromosome is plotted on the X axis against -log10(P) on the Y axis. The Bonferroni adjusted genome wide threshold is the solid red line drawn across the plot. QQ plot of expected versus observed –log10(P) is also shown as insert