In line with this, several studies have shown that the disease course of BMD patients with a mutation mimicking a 'skipped' DMD mutation is relatively mild even though BMD individuals display a large range of phenotypes35, likely reflecting the ability of shorter dystrophin proteins to accomplish only a subset of the different functions of the WT full-length form8 and to be able to produce different amounts of dystrophin. The gene discussed is DMD; the disease is Becker muscular dystrophy.