“People start to worry that something may have gone wrong, and I think the doctors involved should give the people a regular update so they can be reassured.”
“It's encouraging that scientists are even thinking about the ethical problems of embryonic stem-cell research. But I don't think these two techniques solve the ethical problems.”
“Whether you are creating a disabled embryo or whether you might potentially damage an existing embryo, you risk that problem of crossing an ethical line when you move to human experiments.”