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. Author manuscript; available in PMC: 2012 Feb 24.
Published in final edited form as: Neuron. 2011 Feb 24;69(4):618–627. doi: 10.1016/j.neuron.2011.02.015

Figure 2.

Figure 2

Genome-Wide Association Results for cigarettes per day Manhattan plot, indicating significance of association of all SNPs in the TAG Consortium meta-analysis for cigarettes per day. Manhattan plot show SNPs plotted on the x axis according to their position on each chromosome, and plotting on the y axis (shown as negative log10 P value). Chromosome 15 contains the strongest genetic contribution to the risk of developing nicotine dependence. Figure courtesy of TAG Consortium (2010).