Fig. 3: Genome-wide association between single-nucleotide polymorphisms (SNPs) and early-onset BPI disorder in the discovery group.
From: Genome-wide association study of early-onset bipolar I disorder in the Han Taiwanese population

The negative log of the P value for the association for allelic model was plotted against the chromosomal location across the genome. The upper and lower horizontal lines indicate the genome-wide significance level of 1.05 × 10−8 and 10−7, respectively.