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15 Jun 2025
Muscular duchenne dystrophy
Question:
A 2-year-old male who was adopted shortly after birth is brought to the doctor by his parents because he tires easily and seems weaker than other children his age. On physical examination, his muscles feel abnormally firm. Serum creatine kinase is greatly elevated. The most likely diagnosis involves which of the following genetic abnormalities?
Options:
A)Balanced translocation
B)Nondisjunction during Mitosis
C)X-linked recessive mutation
D)Autosomal dominant mutation
E)Trisomy
Muscular duchenne dystrophy
Question:
A 2-year-old male who was adopted shortly after birth is brought to the doctor by his parents because he tires easily and seems weaker than other children his age. On physical examination, his muscles feel abnormally firm. Serum creatine kinase is greatly elevated. The most likely diagnosis involves which of the following genetic abnormalities?
Options:
A)Balanced translocation
B)Nondisjunction during Mitosis
C)X-linked recessive mutation
D)Autosomal dominant mutation
E)Trisomy