The UK site Independent has run a story about lab produced “three-parent babies”. The babies are are spliced together using the same technique used in cloning Dolly The Sheep. In this case the purpose of the procedure is to allow two people of the same sex to claim that they’ve parented a child together. That’s not really what’s happening.
Every one of us has our own DNA, originally spun when a sperm from our father came together with an egg from our mother and the two sequences began to combine. Within your mother’s egg itself were the “engines” of cells, called organelles. Every cell has them and one of the quirks of genetics is that your organelles which convert food to energy – called mitochondria – do not have the same DNA as you do. Rather they have the same DNA as your mother, who got her mitochondrial DNA from her mother, and so forth. Men, your mitochondrial DNA came from your mom. You don’t get to pass it along.
When technicians undergo a procedure to produce a “three-parent baby”, the child does not really use the DNA of three people. The child simply uses the mitochondrial DNA of a third individual. The way that technicians get the mitochondria and other organelles from that third individual is to murder them. They take a newly conceived human individual, cut out their nucleus and discard it, killing them. Then the technicians cut another individual out of their own cell – also someone who is newly conceived – and transplant them into the cell of the individual who’s just been killed.
This act of murder is done so that a third person, usually a gay spouse, can claim that their DNA is also in the child. But all that the third person has done is murder their own child and donate that child’s mitochondria. The technicians haven’t produced a “three parent baby”. They killed one baby and effectively gave the other baby an organelle transplant.
How can a couple claim to be loving parents when their “parenthood” is based on killing one of the two’s children?