galactosemia

:  a metabolic disorder inherited as an autosomal recessive trait in which galactose accumulates in the blood due to deficiency of an enzyme catalyzing its conversion to glucose … there might someday be a panel of simultaneous tests for cystic fibrosis, phenylketonuria and galactosemia, three of the most important genetic disorders among white Americans.—Harold M. Schmeck, Jr., The New York Times, 18 Oct. 1983