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. Author manuscript; available in PMC: 2010 Jun 5.
Published in final edited form as: Am J Med Genet B Neuropsychiatr Genet. 2009 Jun 5;150B(4):453–466. doi: 10.1002/ajmg.b.30828

Figure 3.

Figure 3

Linkage disequilibrium plots. Pairwise signed D’ values indicate the phase of LD, so that a positive value denotes coupling (the minor alleles tend to co-occur) and a negative value denotes repulsion (the minor allele at one locus tends to co-occur with the common allele at the other locus). Primary p-values are also displayed. Panel A: CHRNA5-CHRNA3-CHRNB4. Panel B: CHRNB3-CHRNA6. Panel C: CHRND-CHRNG.