Final answer:
Mitochondria DNA (mtDNA) is unlike nuclear DNA (nDNA) because while only one set of nDNA is found in the nucleus of an organism's somatic cell, mtDNA is found in hundreds to thousands of mitochondria.
Step-by-step explanation:
True, mitochondria DNA (mtDNA) is unlike nuclear DNA (nDNA) because while only one set of nDNA is found in the nucleus of an organism's somatic cell, mtDNA is found in hundreds to thousands of mitochondria that are the cells' powerhouse of the ATP (Adenosine triphosphate).