A 3 year old boy was brought in to his pediatrician by his m…
A 3 year old boy was brought in to his pediatrician by his mother who is concerned that he is “walking funny”. The pediatrician orders a serum CK (creatine kinase) test and finds it highly elevated and suspects muscular dystrophy. DNA testing determines that he has an out-of-frame deletion in the dystrophin gene. What information would be MOST appropriate to give the family about his diagnosis?