Mitochondrial DNA sequence variation is largely conserved at birth with rare de novo mutations in neonates.

Abstract excerpt

OBJECTIVE: Mitochondrial DNA (mtDNA) encodes the proteins of the electron transfer chain to produce adenosine triphosphate through oxidative phosphorylation, and is essential to sustain life. mtDNA is unique from the nuclear genome in so much as it is solely maternally inherited (non-mendelian patterning), and shows a relatively high rate of mutation due to the absence of error checking capacity. While it is...

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