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About half of human embryos are spontaneously aborted (that is, with no overt actions taken by the mother or others); see http://www.emcom.ca/health/abortion.shtml for more details.

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15y ago

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Can an unborn animal be aborted?

Yes, it would be aborted just like a human baby can be aborted.


Do human embryos have gills in the womb?

yes.


What structure do chicken embryos have around them that human embryos do not?

Chickens have an actual shell. The shell along with the embryo is called an egg. Human embryos are inside a females' womb which is made of skin, not keratin like egg shells are.


What are the key differences between a chicken embryo and a human embryo in terms of development and structure?

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Do human embryos have tails during development?

Yes, human embryos do have tails during early development, but they typically disappear as the embryo continues to grow and develop.


From where do human embryos get their water?

from where embryo get food and water?


Where do human embryos develop in?

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Which type of system compose of the skeleton of sharks and human embryos?

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Is human cloning legal in the US?

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What has the author Marie-Luise Pannke written?

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Embryonic stem cells refer to pluripotent cells that are generally derived from the inner cell mass of blastocysts (day 5). Stem cells have been derived from gonadal ridges and mesenteries (3200 to 4000) extracted from aborted five-to-nine week old human embryos.


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