A member asked:

What are the differences between duchennes muscular dystrophy and myotonic muscular dystrophy?

A doctor has provided 1 answer
Dr. Johanna Fricke answered

Specializes in Pediatrics - Developmental and Behavioral

Both are inherited: neuromuscular disorders. DMD is caused by mutatation(s) on Chr. X. Onset of rapidly progressive muscle atrophy starts early in boys. Female carriers can have heart muscle disease. MD 1 is caused by mutant genes on Chr. 19; MD 2 by mutant genes on Chr. 3, Each child of a parent affected by either has a 50% chance of inheriting it, often with earlier & more severe symptoms than the parent's.

Answered 12/3/2014

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