This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
[{'content': 'Pendred&;s Syndrome is due to defect in: \nSelect and explain. \nA. Chromosome 7p, B. Chromosome 7q, C. Chromosome 8p, D. Chromosome 8q', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pendred&;s Syndrome: Consists of congenital sensorineural hearing loss+ goitre Due to defects in sulfate transpo protein (Chromosome 7q) to the thyroid gland and cochlea. Rafetoff Syndrome End organ resistance to T4 Ref: Schwaz 10th edition Pgno: 1534', 'role': 'assistant'}]