91.   Unused fertilized eggs result from a popular but relatively new fertility treatment, in vitro fertilization.

92.   Twins are clones of that original fertilized egg and of each other.

93.   Typically, the embryos come from couples who sought treatment at fertility clinics and donated the frozen surplus fertilized eggs for research.

94.   What we do know is that every now and then a fertilized egg carrying only paternal chromosomes survives.

95.   When females mate with males, the fertilized egg splits, or clones itself, giving rise asexually to multiple identical offspring.

96.   When molecular biologists learned how to manipulate genes, tinkering with fruit flies revealed how a complete organism emerges from a simple fertilized egg.

97.   Whether this mass of fertilized eggs drifts in the sea or becomes attached to the bottom is also a mystery.

98.   Patients left their fertilized eggs in storage at the clinic, to be implanted when they wanted to get pregnant.

99.   Perry-Rogers was implanted with her own fertilized eggs, but none produced a fetus.

100.   Planned Parenthood does not consider the pill a form of abortion since it does not work if a fertilized egg has already implanted itself in the uterus.