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How did spemann separate the two cells of the embryo of a salamander in 1902?
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Can seperation of embryo developeing into 2 separate cells have to be the same sex?
Yes, this results in monozygotic twins, which are always the same sex.
The cluster of developing cells from conception until birth is called what?
This cluster of cells change the baby grows from pre-embryo to embryo to fetus.
What happens to an embryo when stem cells are harvested from it?
the embryo is killed
Are more stem cells found in an embryo or an adult?
There are more cells found in an embryo than an adult.
The cluster of developing cells from conception until birth is called an .?
Embryo, between the 3rd and 8th week. Fetus, after the 8th week
Why do cells in a developing embryo differentiate?
The cells in a developing embryo differentiate so that the cells develop different sructures so they can perform different functions.
Do babies die when their stem cells are removed?
Stem cells are removed just after conception when the zygote is forming into an embryo. When stem cells are taken, the embryo cannot develop, and so does die.
What is Animal chimera embryos?
An animal embryo that has been created with animal egg and sperm. At an early stage of development, human cells are added to the embryo. The embryo will go on to develop and contain functioning human cells.
How do the cells in a blastocyst as it becomes an embryo?
A blastocyst is a distinctive stage of a mamalian embryo. It is a form of Blastula that develops from a berry like cluster of cells, the morula. It continues to form and grow from there.
What is the three layered embryo?
when cells int he embryo fold causing the entry woom for the crowing spot
What happens to the embryo once stem cells are removed?
the embryo dies
Who has the authority to decide if stem cells of an embryo are used?
you do!
