Duchenne muscular dystrophy usually arises from ____ in the ____ chromosome.

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Duchenne muscular dystrophy is caused by deletions in the X chromosome that affect the dystrophin gene. This gene provides instructions for making a protein called dystrophin, which is essential for building and maintaining muscle fibers. Without dystrophin, muscle fibers weaken and break down over time, leading to muscle weakness and wasting characteristic of DMD.

Duchenne Muscular Dystrophy Usually Arises from ____ in the ____

Duchenne Muscular Dystrophy Usually Arises from in the