The patient is now 12 years old, and the most recent data are as follows: height, 147.3 cm (-0.2 SD); weight, 34.9 kg (body mass index, 16.1); serum AST level, 24 U/l; serum ALT level, 22 IU/l; serum albumin level 4.04 g/dl; hemoglobin 12.6 g/dl; platelet count, 395,000/μl; and white blood cell count, 6,870/μl, indicating a normal physical growth and liver function with mild anemia. The gene discussed is GPT; the disease is anemia.