Chunk #110 — III. Selected Methodological Issues — C. Analyses — 2. Stepwise approaches to analyses

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Molecular genetics of addiction and related heritable phenotypes: genome-wide association approaches identify "connectivity constellation" and drug target genes with pleiotropic effects.

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b) Identifying chromosomal clusters of nominally significant markers in single samples: We focus on the SNPs whose chromosomal positions can be accurately determined. Since gender ratios differ substantially in many of these datasets, we omit data from sex chromosomes for most of these samples.