Biochemistry A 5-yr old boy is diagnosed with Duchenne muscular dystrophy. There is a mutation in the promoter site for the dystrophin gene. The true statement is: A Initiation of dystrophin protein is affected B Capping of dystrophin mRNA is affected C Poly-A tail of dystrophin mRNA is affected D Termination of dystrophin protein is affected 💡 Explanation A 5-yr old boy is diagnosed with Duchenne muscular dystrophy. There is a mutation in the promoter site for the dystrophin gene. The true statement is: ✓ Correct Answer: A. Initiation of dystrophin protein is affected