Genetics Quiz
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MENDELIAN GENETICS
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A muscle biopsy from a patient with a mitochondrial myopathy shows that 85% of the mtDNA carries a pathogenic mutation. A blood sample from the same patient shows a heteroplasmy level of only 30%. The patient's asymptomatic mother has a blood heteroplasmy level of 15%. Which of the following is the most valid conclusion from these data?
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