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Zygote

Definition

noun, plural: zygotes

A cell in diploid state following fertilization or union of haploid male sex cell (e.g. sperm) and haploid female sex cell (e.g. ovum).


Supplement

To be precise, zygote is the term used to refer to the cell as a result of the fusion of two haploid nuclei during fertilization until the first cleavage. When the zygote starts to divide and multiply, it is called an embryo.


Word origin: from Greek zugōtos ‘joined’, from zugoun ‘to join’.

Related forms: zygotic (adjective).

Synonym: zygocyte.
Compare: embryo.
See also: copula, zygogenesis, monozygotic twins, heterozygosity, homozygous.


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Stem Cells and Cell division?

... cells are central to three processes in an organism: development, repair of adult tissue and cancer. A. Stem cells in mammalian development The zygote is the ultimate stem cell. It is totipotent with the ability to produce all the cell types of the species including the trophoblast and the embryonic ...

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by RZachary1
Wed Jan 14, 2015 5:51 am
 
Forum: Cell Biology
Topic: Stem Cells and Cell division?
Replies: 6
Views: 5527

Re: Mendel's Law

... for the gametes from the male plant to combine with the gametes of the female plant to produce a fertilized egg. That fertilized egg is called a zygote. A zygote contains genetic information from both parents. For example, a zygote might contain one allele for white flowers and one allele for ...

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by Sheppie
Wed Dec 03, 2014 7:41 am
 
Forum: Genetics
Topic: Mendel's Law
Replies: 2
Views: 2498

Cellular Reincarnation

... my reward: being trapped in Fibrocity, the slum of existence? Ignorant of the adventure yet to come, I cursed my fate. It all got started when “Zygote Enterprises” organized this foolish competition, a race that can be best compared with an obstacle course in the swamp. The countless contestants, ...

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by ewartkuijk
Sun Feb 09, 2014 8:25 pm
 
Forum: General Discussion
Topic: Cellular Reincarnation
Replies: 0
Views: 4010

Re: Human Gamete Compatibility Going Backwards

By 'compatible' I mean able to form a zygote that results in a fertile , viable offspring. my emphasis

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by JackBean
Fri Jan 17, 2014 10:07 am
 
Forum: Evolution
Topic: Human Gamete Compatibility Going Backwards
Replies: 9
Views: 8920

Human Gamete Compatibility Going Backwards

... recent birth and going backward in time, would one reach a first-to-produce a compatible gamete individual? By 'compatible' I mean able to form a zygote that results in a fertile, viable offspring.

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by BiologicalRush
Thu Jan 02, 2014 7:08 pm
 
Forum: Evolution
Topic: Human Gamete Compatibility Going Backwards
Replies: 9
Views: 8920
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