Congenital and childhood myotonic dystrophy: Current aspects of disease and future directions

Figure 1 Genogram of family with myotonic dystrophy type 1 illustrating autosomal dominant inheritance. The numbers in brackets indicate the number of CTG triplet repeats in the 3’ untranslated portion of the DMPK gene of affected individuals. Square = male; Circle = female; Black symbol = DM1 affected individuals; Strikethrough symbol = deceased.