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 DMD qus,help me  

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A 30-year-old woman whose child has Duchenne muscular dystrophy comes to the physician because of progressive muscle weakness during the past 3 years. A muscle biopsy specimen obtained from the woman shows findings typical of hemizygous muscular dystrophy. Which of the following is the most likely explanation for the findings in this patient?

Chromosomal translocation

Maternal chromosome constitution 45,X


Unfavorable lyonization


she s a manifesting heterozygote...hence unfavorable lyonizationsmiling face

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