11.   Finally, the scientists could transplant the nucleus of the modified cell into a donor egg whose nucleus had been removed.

12.   In addition, it said that government-sponsored researchers on rare occasions should be permitted to create embryos from donor eggs and sperm for specific experiments.

13.   In the cloning process, instead of fertilizing donor eggs with sperm, ACT scientists chemically tricked eggs into dividing after replacing their DNA with cells from another person.

14.   Like Stein, they became pregnant through in vitro fertilization, using donor eggs.

15.   No donor eggs or sperm are allowed.

16.   Nor, for that matter, could some other renegade group or individual with access to donor eggs and a decent lab.

17.   Sauer halted the procedure after the task force issued its report, and his clinic now creates embryos with donor eggs only if the recipients choose the sperm provider.

18.   She runs groups in Los Angeles for donor egg, donor sperm, and adoptive parents.

19.   She might use a donor egg and a donor sperm, have an in vitro fertilization procedure and become a surrogate mother.

20.   She told him she was thinking of trying donor eggs.