Fig. 1From: Leber’s hereditary optic neuropathy, intellectual disability and epilepsy presenting with variable penetrance associated to the m.3460G >A mutation and a heteroplasmic expansion of the microsatellite in MTRNR1 gene – case reportPedigree of the m.3460G > A family. The black symbol indicates the proband; gray symbols indicate asymptomatic relatives. Percentages of heteroplasmy of m.3460G > A mutation are reportedBack to article page