This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
The deficiency of glucose - 6-phosphate dehydrogenase may cause 
Select and explain. 
A. Diabetes mellitus, B. Haemolytic anemia, C. Wernicke-Korsakaoff syndrome, D. Porphyria
B: Haemolytic anemia
Answer: B: Haemolytic anemia 
Explanation: G-6-PD deficiency causes haemolytic anaemia. It is an X-linked recessive disorder. Ref : Biochemistry by U. Satyanarayana 3rd edition Pgno : 274