title: Mitochondrial DNA has three major variations.
mesh_terms: D004272:DNA, Mitochondrial / Q000235:genetics*; D004833:Epilepsy, Temporal Lobe / Q000235:genetics*; D005260:Female; D059014:High-Throughput Nucleotide Sequencing; D006624:Hippocampus / Q000473:pathology*; D006801:Humans; D009422:Nervous System Diseases / Q000235:genetics*
chemical_list: D004272:DNA, Mitochondrial