<prompt> The deficiency of glucose - 6-phosphate dehydrogenase may causeDiabetes mellitusHaemolytic anemiaWernicke-Korsakaoff syndromePorphyria  <response>: G-6-PD deficiency causes haemolytic anaemia. It is an X-linked recessive disorder. Ref : Biochemistry by U. Satyanarayana 3rd edition Pgno : 274 