Mitochondrial DNA found to vary widely within individuals
(NEWSER) - A DNA-matching technique used in forensics since the mid-1990s is now in question, according to new research. DNA found in cell structures called mitochondria varies greatly between samples from different tissues from the same individual, researchers found, meaning that forensic units may be mistaken when they exclude suspects because a mitochondrial sample from hair, for example, doesn't match mitochondrial DNA in their blood. More»
