How is mitochondrial DNA (mtDNA) typing used in forensic science? A. A suspect's mtDNA sample is matched to an unknown sample of nuclear DNA that was found at a crime scene.

B. A suspect's mtDNA sample is matched to an unknown sample of mtDNA that was found at a crime scene.

C. A suspect's nuclear DNA sample is matched to an unknown sample of nuclear DNA that was found at a crime scene.

D. A suspect's nuclear DNA sample is matched to an unknown sample of mtDNA that was found at a crime scene.