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8417 Biochemistry

A four-year-old child is diagnosed with Duchenne muscular dystrophy, an X-linked recessive disorder. Genetic anylysis shows that the patient&;s gene for the muscle protein dystrophin contains a mutation in its promoter region. What would be the most likely effect of this mutation?

ATailing of dystrophin mRNA will be defective
BCapping of dystropin mRNA will be defective
CTermination of dystrophin transcription will be deficient.
DInitiation of dystrophin transcription will be deficient
Biochemistry
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