Medical Genetics mtDNA point mutations: Heteroplasmic tRNA Lys_: A8344G(Frequent); T8356Ci G8363A;G8361A Syndromes: MERRF or MERRF/MELAS overlap tRNA Ser Syndromes: MERRF/MELAS overlap; Epilepsia Partialis continua: HAM ● tRNA LeuMedical Genetics mtDNA point mutations: Heteroplasmic • tRNA Lys : A8344G (Frequent); T8356C; G8363A; G8361A – Syndromes: MERRF or MERRF/MELAS overlap • tRNA Ser – Syndromes: MERRF/MELAS overlap; Epilepsia Partialis Continua; HAM • tRNA Leu