This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Inheritance pattern of myotonic dystrophy is ? 
Select and explain. 
A. Autosomal recessive, B. Autosomal dominant, C. X linked dominant, D. X linked recessive
B: Autosomal dominant
Answer: B: Autosomal dominant 
Explanation: Ans. is `b' i.e., Autosomal dominant Myotonic dystrophy Myotonic dystrophy is an autosomal dominant multisys- tem disorder associated with skeletal muscle weakness, cataracts, endocrinopathy, and cardiomyopathy