title: Diagnosis of Duchenne and Becker muscular dystrophies by DNA polymorphism.
mesh_terms: D002872:Chromosome Deletion; D004247:DNA / Q000235:genetics*; D005787:Gene Frequency; D008040:Genetic Linkage; D006801:Humans; D009136:Muscular Dystrophies / Q000175:diagnosis* / Q000235:genetics; D011110:Polymorphism, Genetic; D012150:Polymorphism, Restriction Fragment Length; D014960:X Chromosome
chemical_list: D004247:DNA