A new study published in the journal PLoS Genetics has confirmed a genetic link between mitochondrial DNA, which is passed on from the mother, and some forms of autism spectrum disorder. Structure of the human mitochondrial genome. Image credit: Shanel / CC BY-SA 3.0. Mitochondria contain their own genome, the mitochondrial DNA (mtDNA), and are abundant in the brain where they produce energy and intracellular signals required for normal brain function...
