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Telomere

Either (free) end of a eukaryotic chromosome; telomeres act as caps to keep the sticky ends of chromosomes from randomly clumping together.


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living forever

I think this is a matter of debate, but it is also possible that those infamous telomeres are there to protect you from your own cells - that is, they prevent cells to uncontrollably divide and become cancerous in case they lose some other control growth mechanisms. ...

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by biohazard
Wed Sep 02, 2009 6:03 am
 
Forum: Cell Biology
Topic: living forever
Replies: 4
Views: 48

living forever

... and there is a time where it become impossible to repare the accumulated damages, hence death. The molecule you are speaking with is called telomere and actually represent the ends of the chromosome in the cell. But remember that evolution acts on individula, not on the species. If you had ...

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by canalon
Wed Sep 02, 2009 1:48 am
 
Forum: Cell Biology
Topic: living forever
Replies: 4
Views: 48

Re: Natural selection is proven wrong

... chromosomes joining to become a single one which in turn causes enough of a change in behavior and morphology a new species is produced. First the telomeres at each end of the 2 supercoiled chromosomes that fused became sticky by removal of the repeating code that forms a protective layer that ...

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by GaryGaulin
Tue Sep 01, 2009 3:00 am
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16275

Re: How does Head To Head Telomere Fusion express itself?

... the right idea with balanced and unbalanced. What I am most wondering is whether during meiosis a fully balanced fusion that only involves the telomeres could even result in unbalanced germ cells. It would seem that the chromosomes would still properly align along the mid-line with the fused ...

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by GaryGaulin
Sat Aug 22, 2009 11:44 pm
 
Forum: Cell Biology
Topic: How does Head To Head Telomere Fusion express itself?
Replies: 3
Views: 63

How does Head To Head Telomere Fusion express itself?

I am working on human chromosomal speciation but cannot confirm how a "head to head telomeric fusion" (not a Robertsonian translocation) such as human chromosome 2 would express itself in the first generations. About 2/3 down there is a paper with a Punnett square of the event in the first...

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by GaryGaulin
Sat Aug 22, 2009 3:40 am
 
Forum: Cell Biology
Topic: How does Head To Head Telomere Fusion express itself?
Replies: 3
Views: 63
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