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Germ cells


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Stem Cells

Shaanu, stem cells are pluripotent i.e., they can give rise to all of the body cells derived from the three germ layers but it cant give rise to a new organism. They have varied uses these days in case of tissue loss ...

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by Sumanth001
Sun Dec 08, 2013 12:53 pm
 
Forum: Genetics
Topic: Stem Cells
Replies: 5
Views: 4547

X chromosome inactivation

... happens only in the presence of multiple X chromosomes. Male cells do contain only one X chromosome and do therefore not have X chromosome ... repression of the X chromosome. The X chromosome of male germ cells is in a condensed chromatin state and is transcriptionally repressed ...

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by cathbr
Thu Jul 18, 2013 3:56 pm
 
Forum: Molecular Biology
Topic: X chromosome inactivation
Replies: 1
Views: 1562

Re: adult stem cells, differentiated cells and proliferation

Hi cathbr, 1) Yes they are Somatic cells, the definition of a somatic cell is - Any cell in a multicellular organism ... of their potency and are Pluripotent- They can only differentiate into the three germ layers, Ectoderm, mesoderm (if present) and Endoderm. I suggest you look up the ...

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by Amphibitile
Sun Jun 23, 2013 1:11 am
 
Forum: Cell Biology
Topic: adult stem cells, differentiated cells and proliferation
Replies: 2
Views: 2201

why is the reproductive system immune to entropy?

... lives). However, there is a mechanism to prevent 'aging' in certain cells in the body, for example in blood cell progenitors and other stem cells ... mechanism is probably at work also when it comes to the cells of the germ line. There is also another mechanism in action and it is called natural ...

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by biohazard
Wed Jun 12, 2013 9:44 am
 
Forum: General Discussion
Topic: why is the reproductive system immune to entropy?
Replies: 3
Views: 1860

mutations and dependencies

The literature for mutation in germ line cells are on the internet. Anyway if someones interested he has a talk on youtube 'Numerical simulation ...

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by jinx25
Sun Feb 24, 2013 7:04 am
 
Forum: Evolution
Topic: mutations and dependencies
Replies: 29
Views: 21272
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