1.   Four eggs will produce a slightly firmer pie.

2.   Ideally, in a few days the dividing egg produces stem cells that are identical in genetic makeup to the patient who donated the initial cell.

3.   If she has mated with one of the sterile males, her eggs will never produce young.

4.   When the first sperm reaches the egg and penetrates it, the egg instantly produces a protective coating that will not allow any other sperm to enter.

5.   Others were more skeptical that manufactured eggs could produce healthy babies anytime soon, saying the technique would likely create gross genetic abnormalities.

6.   And the finding does not suggest that an egg could produce a human without any fertilization at all, said researcher Dr. David Bonthron.

7.   However, with global changes causing world temperatures to increase, Abdul Rahman said he believed the incubated eggs would produce more female hatchlings.

8.   Revel said the eggs look normal and he believes the chances that such an egg could produce life are high.