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.
Amniotic sac
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Actually all embryos start out as female and develop male genitalia fairly late.
Doctors typically time the thawing and implantation of frozen embryos based on the woman's menstrual cycle. This is usually done by tracking her natural hormones and performing ultrasounds to monitor the development of her uterine lining. Once the lining is at the appropriate stage for implantation, the embryos are thawed and transferred.
After screening, there are typically 1-2 healthy embryos remaining for transfer.
Three - em-bry-os
dormancy
From the mother's body, - they are inside it while they are embryos.
The One with the Embryos was created on 1998-01-15.
All chordates embryos have pharngeal slits.