genome-wide association study

Definition / meaning of genome-wide association study

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.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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