IT’S the acceptable face of human cloning: creating new cells and tissues to
replace those lost to disease. But even the prospect of this “therapeutic
cloning” has a troubling side. Every time a patient is treated, a cloned human
embryo would be destroyed—a tiny ball of cells admittedly, but a potential
human life nonetheless.
Now a company linked to the team that created Dolly the sheep plans to
overcome this ethical obstacle by removing the embryo step. It claims already to
have promising results. And the technique wouldn’t need to use human egg cells,
which are scarce and in…
