If a couple had one child with ragged red fiber disease and wished to have a healthy second child, mitochondrial replacement therapy might be discussed as an option. Technically, how many parents would the child possess after such a treatment?

Question

Quizplus · Accepted Answer

Mitochondrial replacement therapy involves replacing the mitochondria in the egg of a mother with defective mitochondria with those from a healthy donor. This means the child would have genetic material from three people: the father (sperm), the mother (nuclear DNA), and the mitochondrial donor.

If a Couple Had One Child with Ragged Red Fiber