Human cloning has been accomplished, but the field remains generally stalled because of a shortage of human eggs.
After going through the appearance of hand-wringing, I wouldn’t expect much of a problem if scientists said they really wanted to proceed.
The children could have serious health consequences — either early or later in life — having been generated, after all, from two broken eggs.
Shelley’s cautionary tale of a scientific experiment run amok has profound implications for today’s bioethics debates.
The successful births came from DNA taken from fetal, not adult, cells. That is the usual course in this research.