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Zygote
(redirected from Fertilized egg cell)

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zygote: see reproduction reproduction, capacity of all living systems to give rise to new systems similar to themselves. The term reproduction may refer to this power of self-duplication of a single cell or a multicellular animal or plant organism.
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zygote [′zī‚gōt]
(embryology)
An organism produced by the union of two gametes.
The fertilized ovum before cleavage.
Zygote 

a cell formed as a result of the fusion of gametes. The term “zygote” was introduced by the German botanist E. Strassburger. As distinct from gametes, a zygote has a diploid (double) set of chromosomes. The zygote develops directly after fertilization or, as in many algae and fungi, takes on a thick covering and becomes a dormant spore, often called a zygospore, for some time.
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As a fertilized egg cell divides to grow into a mature animal, most of the resulting cells become even more specialized--but a small number of cells, known as stem cells, remain uncommitted even as they spawn more specialized progeny.
Stem cells that allow the pituitary glands to grow by USA Today (Magazine)
Each fertilized egg cell even establishes two distinct halves, along what is called the anterior-posterior axis.
What's DNA got to do with it? by J.T. / Science News
If a successfully fertilized egg cell then completed its first cell division, a relatively rare event, the researchers inserted the resulting two-cell embryo into the oviduct of a female mouse.
First mammal born from lab-grown cell by Travis, John / Science News
 
 
 
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