(a) From what primary source is the DNA in your mitochondria, your mother or your father? (b) Speculate onpossible inheritance patterns if there were a defect in one or the other parent’s mitochondria.
Answer:
(a) Mother.
(b) If a defect exists in a mitochondrial gene, all progeny from that female will carry the defect.
Several well-defined diseases resulting from such a defect have been described.
