This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pathology
[{'content': 'Which one of the following is HLA-associated diabetes mellitus? \nSelect and explain. \nA. Type I diabetes mellitus, B. Type II diabetes mellitus, C. Stress related diabetes mellitus, D. Gestational diabetes mellitus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Type 1 diabetes mellitus is also called HLA associated diabetes. Type 1 diabetes shows genetic susceptibility. Most impoant locus is the HLA gene cluster on chromosome 6p21,which according to some estimates contributes as much as 50% of the genetic susceptibility to diabetes. (Ref:ROBBINS Text book of pathology)', 'role': 'assistant'}]