Genetic disorders of metabolism occur when individuals inherit a defect in one or more genes that result in the lack of a specific enzyme. without appropriate enzyme activity, by products can accumulate in the body, sometimes with toxic effects. there is no cure for genetic disorders of metabolism, but early detection and specific diet modifications can control symptoms and prevent complications for many of these disorders. select all of the sentences below that correctly describe the genetic disorder phenylketonuria (pku).
a. currently, blood tests are done at birth to screen for pku. b. for a person with pku, fruits, vegetables, grains, and special prescription formulas should compose the bulk of the diet. c. individuals with pku cannot metabolize phenylalanine.