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NCI Dictionary of Cancer Terms

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genome-wide association study  listen  (JEE-nome ... uh-SOH-see-AY-shun STUH-dee)

  A study that compares the complete DNA of people with a disease or condition to the DNA of people without the disease or condition. These studies find the genes involved in a disease, and may help prevent, diagnose, and treat the disease. Also called GWAS, WGA study, and whole genome association study.