A test to determine the ability of an individual to maintain homeostatis of blood glucose. It includes measuring blood glucose levels in a fasting state, and at prescribed intervals before and after oral glucose intake (75 or 100 g) or intravenous infusion (0.5 g/kg). (Experimental Factor Ontology, EFO_0004307)
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13 genes associated with the trait Glucose Tolerance Test in GWAS and other genetic association datasets from the dbGAP Gene-Trait Associations dataset.