Researchers in New Jersey claim that 30 human babies might have been born with genes from three people: their mother, their father — and a third person, whose genes were added in the laboratory.
The researchers call their experiment "the first case of human … genetic modification resulting in normal healthy children."
The team at the Institute for Reproductive Medicine and Science of St. Barnabas in West Orange, N.J. was trying to help infertile women become pregnant.
In each of the 30 cases, something in the mother's egg had prevented her from conceiving naturally. So St. Barnabas researchers extracted material from cells donated by a third woman.
This additional material from the donor's cell somehow allowed the egg to become fertile.
A number of scientists question the ethics of the experiment. For the first time, they say, it has been confirmed that children have been born with genetic alterations.
via ABC News
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