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Author Topic: The Y chromosome isn't dying after all; it's actually evolving.  (Read 809 times)

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Offline ParadoxTopic starter

The Y chromosome isn't dying after all; it's actually evolving.
« on: January 14, 2010, 12:01:36 PM »
Something about the decaying Y-chromosome theory never sat right with me; now, there's evidence to back up my vague mistrust!

http://sciencenow.sciencemag.org/cgi/content/full/2010/113/3


Offline Kazyth

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Re: The Y chromosome isn't dying after all; it's actually evolving.
« Reply #1 on: January 14, 2010, 12:57:48 PM »
Wooo, go Y chromosome!

...

Now evolve me some damn laser eyes!

Offline Skyara Snow

Re: The Y chromosome isn't dying after all; it's actually evolving.
« Reply #2 on: January 14, 2010, 06:55:58 PM »
Oh my. Wonder what it's evolving to?

Offline ParadoxTopic starter

Re: The Y chromosome isn't dying after all; it's actually evolving.
« Reply #3 on: January 14, 2010, 07:16:51 PM »
Oh my. Wonder what it's evolving to?

Swine flu.

Slowly but surely, bearers of the Y-chromosome are becoming sick pigs.

Wait, nevermind, we've been called that for years already.

It's not evolving into anything in particular (as, say, an organism would); instead, it's been developing and adding genes by duplicating itself, as it says near the end of the article.

Offline Transgirlenstein

Re: The Y chromosome isn't dying after all; it's actually evolving.
« Reply #4 on: January 15, 2010, 10:38:50 AM »
Clearly there is only one solution to stop the oncoming male mutant apocalypse.  *Gets a flamethrow and chainsaw*  Nothing personal guys...just don't want to live in a wasteland overrun by flesh eating men.

Offline Trieste

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Re: The Y chromosome isn't dying after all; it's actually evolving.
« Reply #5 on: January 15, 2010, 12:57:42 PM »
So, the chimp gene is decaying faster than the human MSY... both are desperately trying to save themselves by applying duplicates of strands over and over again... and they take this as good news?

I like the cock as much as the next person, but they seem to be reaching. *goes in search of study*

Offline ParadoxTopic starter

Re: The Y chromosome isn't dying after all; it's actually evolving.
« Reply #6 on: January 18, 2010, 06:01:20 PM »
Yeah Trieste; I wouldn't necessarily call repeated duplication "evolution" either, I suppose.

Offline Trieste

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Re: The Y chromosome isn't dying after all; it's actually evolving.
« Reply #7 on: January 18, 2010, 07:02:57 PM »
Well, our whole genome is only the four chemicals, so evolution is subjective, but considering one of the last-ditch repair mechanisms for detected DNA damage is also wildly replicating around tangles and snarls in DNA (translesion synthesis) which can do more harm than good (although it's better than not having any DNA at all)...

I don't pretend to be an expert on DNA. I'm not. But it just seems like they'd be getting ahead of themselves to say one way or the other with what they appear to have.