A 5-year-old boy is brought to the physician for a follow-up appointment. He has history of waddling gait and enlargement of the calf muscles. He has difficulty getting up from the floor without using his arms for support. Serum creatine kinase is elevated. Which of the following best describes this patient’s condition?
Autosomal dominant; cytoskeletal disease
Autosomal dominant; frameshift mutation
Autosomal dominant; mitochondrial disease
Autosomal recessive; cytoskeletal disease
Autosomal recessive; frameshift mutation
Autosomal recessive; mitochondrial disease
X-linked recessive; anticipation
X-linked recessive; cytoskeletal disease
X-linked recessive; mitochondrial disease
