Myotonic DystrophyMuscular Dystrophy, DuchenneMuscular DystrophiesMyotonic DisordersDystrophinTrinucleotide Repeat ExpansionMuscular Dystrophy, AnimalMice, Inbred mdxTrinucleotide RepeatsCorneal Dystrophies, HereditaryMyotoniaMuscular Dystrophy, FacioscapulohumeralUtrophinMuscle, SkeletalFuchs' Endothelial DystrophyRNA-Binding ProteinsPedigreeProtein-Serine-Threonine KinasesDNA Repeat ExpansionRetinal DystrophiesChromosomes, Human, Pair 19Heterozygote DetectionMyoblastsExonsMusclesSarcoglycansDystrophin-Associated ProteinsAlternative SplicingNeuromuscular DiseasesRepetitive Sequences, Nucleic AcidMutationMuscle Fibers, SkeletalDystroglycansMyotonia CongenitaMuscular Dystrophy, Emery-DreifussBase SequenceLens DiseasesChromosomes, Human, 19-20Neuroaxonal DystrophiesMuscle WeaknessMolecular Sequence DataRNAGenetic LinkageRNA SplicingPhenotypeDisease Models, AnimalAllelesX ChromosomePolymerase Chain ReactionSarcolemma3' Untranslated RegionsDNAPrenatal DiagnosisAnticipation, Genetic