It has been reported that most women develop about 400 eggs in their ovaries by the time of menstruation. These wouldn't be embryos until they have been fertilized.
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Women typically have two embryos when they are pregnant with twins. However, during a normal pregnancy, a woman has one embryo which develops into a fetus.
Actually all embryos start out as female and develop male genitalia fairly late.
What do scientists do to adult cells to make them behave like embryos?
Yes.
Most scientists agree that frozen embryos created through in vitro fertilization should be used to create stem cells, although many people are against it because of their religious views.
cotyledons of the seed.