Becker Muscular Dystrophy typically has which onset and progression profile compared with Duchenne?

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Multiple Choice

Becker Muscular Dystrophy typically has which onset and progression profile compared with Duchenne?

Explanation:
Becker muscular dystrophy happens because the dystrophin gene mutations allow some dystrophin to be made, so muscle integrity is partially preserved. This partial function slows the rate of muscle degeneration, so symptoms tend to appear later and progress more slowly than in Duchenne. Duchenne typically has little to no dystrophin, leading to symptoms in early childhood with rapid decline and early loss of ambulation. Therefore, Becker is characterized by later onset and slower progression. While still progressive over time, it doesn’t match the rapid early course of Duchenne, nor is it static.

Becker muscular dystrophy happens because the dystrophin gene mutations allow some dystrophin to be made, so muscle integrity is partially preserved. This partial function slows the rate of muscle degeneration, so symptoms tend to appear later and progress more slowly than in Duchenne. Duchenne typically has little to no dystrophin, leading to symptoms in early childhood with rapid decline and early loss of ambulation. Therefore, Becker is characterized by later onset and slower progression. While still progressive over time, it doesn’t match the rapid early course of Duchenne, nor is it static.

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