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A 5-year-old boy is brought to the physician by his parents because of an 8-month history of difficulty walking. His parents say that he limps when he walks and has a waddling gait; he also has difficulty standing. When getting up from a sitting position, he uses his hands to walk up his thighs and push his body into a standing position. His mother is an only child but she has an uncle who became bedridden as a child and died of respiratory arrest. Physical examination of the boy shows prominent calf muscles.
Which corresponding gene is likely to be the cause of the boy’s condition.
A. Fibrillin 1
B. Dystrophin
C. Acid α glucosidase
D. Myotonin kinase
E. Frataxin
Friend and I disagree upon answer. I thought B. As in Duchenne muscular dystrophy.
Which corresponding gene is likely to be the cause of the boy’s condition.
A. Fibrillin 1
B. Dystrophin
C. Acid α glucosidase
D. Myotonin kinase
E. Frataxin
Friend and I disagree upon answer. I thought B. As in Duchenne muscular dystrophy.
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