Melanie McDonagh Melanie McDonagh

The three parent technique is genetic modification. Will parliament confront this?

If I were choosing a third parent for a baby, you know, I’d be inclined to choose one of the Williams sisters — the top-notch tennis players. If you want to create a baby with really classy metabolism — and metabolic function is just what the third parent provides — you may as well make it good. But what you can’t do, in creating a baby that’s able to process energy efficiently, is pretend that this is anything other than genetic modification.

Yet the Department of Health, in effectively approving the three parent baby technique (actually, it’s always going to be two mothers plus one father), has redefined its categories in its proposals to allow mitochondrial DNA transfer. The proposals were published this week. If parliament approves the measure — and it’s unlikely that it won’t, given the inability of British parliamentarians to engage coherently with questions of moral philosophy — then it would make Britain the first country to allow three parent babies.

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