A 6 month-old male is brought to the ER with recent onset vomiting, irritability and jaundice. The infant was born at term and has been apparently healthy until the onset of these symptoms. All of his vaccinations are up-to-date. He has been exclusively breast-fed until one week ago when cereals and fruit juices were introduced into his diet. Further evaluation reveals hepatomegaly and abnormal liver function tests. Which of the following enzyme deficiencies is the most likely cause of this patient’s condition?
A. Galactose-1-phosphate uridyl transferase B. Aldolase B C. Fructokinase D. Galactokinase E. Acid Î±- glucosidase