This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': "Which of the following disease is transmitted as an X-Iinked inheritance? \nSelect and explain. \nA. Phenylketonuria, B. Alpo's syndrome, C. Myotonic dystrophy, D. Spinal muscular atrophy", 'role': 'user'}, {'content': "Answer: B \nExplanation: Robbins and Cotran pathologic basis of disease South Asia edition. *alpory's syndrome is an d linked dominant disorder having mutation in alpha 5 chain of type 4 collagen located on x chromosome. *phenylketonuria -is an autosomal recessive disorder . *myotonic dystrophy - autosomal dominant. *spinal cord atrophy-autosomal recessive.", 'role': 'assistant'}]