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(Slate)   Humans have 46 chromosomes. Our closest primate relatives have 48. So where did those extra two disappear to?   (slate.com) divider line 85
    More: Interesting, chromosomes, muscular dystrophy, gonads, human tissues, primates, orangutans, Darwinism, primate relatives  
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5350 clicks; posted to Geek » on 19 Jul 2012 at 7:33 PM (2 years ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2012-07-19 05:56:54 PM  
So maybe trying to step through my shadow wasn't such a good idea.
 
2012-07-19 05:58:04 PM  
Most FOX viewers seem to have an extra one.
Maybe THEY took them.
 
2012-07-19 05:58:48 PM  
I think I saw them in a consignment shop a couple weeks ago.
 
2012-07-19 05:59:00 PM  
Is this like that thing where you rearrange the triangles and two squares go missing? Cuz if so it's because of the width of the borders.
 
2012-07-19 06:02:18 PM  
I've been wallowing in my own chaotic insecure delusions.
 
2012-07-19 06:02:48 PM  
Jason Bourne.
 
2012-07-19 06:04:11 PM  
Walmart?
 
2012-07-19 06:05:51 PM  
Subby's Mom?
 
2012-07-19 06:08:02 PM  
I suspect there's a few extras amongst some of the better known Fark trolls
 
2012-07-19 06:09:37 PM  
Taxes.

Or Texas.
 
2012-07-19 06:29:40 PM  
My bad.
 
2012-07-19 06:30:23 PM  

propasaurus: Taxes.

Or Texas.


That just blew my mind. Also, I'm out of pot.
 
2012-07-19 06:35:38 PM  
This issue was brought up in a great NOVA program.

And, as luck would have it, it's all online:

Judgment Day -- Intelligent Design on Trial (2007)
 
2012-07-19 06:50:02 PM  
Should have used this bit in the headline:

Finding fresh primate testes wasn't too onerous even in the early 1900s,

That has Fark potential through and through.
 
2012-07-19 06:51:13 PM  
Potatoes also have 48. We must have lost the retarded ones.
 
2012-07-19 06:55:42 PM  
Painter relied on a former student who worked at a lunatic asylum and had access to the discards of castrated inmates

OWOWOWOOWWWWW
 
2012-07-19 07:07:17 PM  

Marcus Aurelius: Potatoes also have 48. We must have lost the retarded ones.


I agree. I think we lost the ones that kept us from developing politics and religion.
 
2012-07-19 07:10:06 PM  

Calmamity: Marcus Aurelius: Potatoes also have 48. We must have lost the retarded ones.

I agree. I think we lost the ones that kept us from developing politics and religion.


Chimpanzees have politics, and they're just as rough as ours. Religion, though, that's probably worth two genes, don't you think?
 
2012-07-19 07:20:37 PM  
I knew someone was going to call me on that.

Fine. How about religion and... literal poo flinging?

No, not that either. Just religion, I suppose.
 
2012-07-19 07:34:51 PM  
Your mom swallowed them
 
2012-07-19 07:39:35 PM  
Hermit crabs have 254.

Is that not enough for you? Adders-tongue ferns have 1440.

Quantity does not correlate to quality.
 
2012-07-19 07:40:00 PM  
I gotta stop digging through my old muscle
 
2012-07-19 07:41:12 PM  
rotflpictures.com
 
2012-07-19 07:41:27 PM  

Calmamity: I knew someone was going to call me on that.

Fine. How about religion and... literal poo flinging?

No, not that either. Just religion, I suppose.


Maybe religion and gossip. Nobody gossips like humans.
 
2012-07-19 07:42:46 PM  

hogans: Hermit crabs have 254.

Is that not enough for you? Adders-tongue ferns have 1440.

Quantity does not correlate to quality.


Why are you all down on adders-tongue? They've conquered fractal mathematics. Have you?
 
2012-07-19 07:43:59 PM  

eraser8: This issue was brought up in a great NOVA program.

And, as luck would have it, it's all online:

Judgment Day -- Intelligent Design on Trial (2007)


Beat me to it. One of the best docs I've seen in the past decade or so.
 
2012-07-19 07:53:13 PM  
If modern Jolteons evolved from vaporeons, why are there still vaporeons?

CHECKMATE

/thread needed more derp
 
2012-07-19 07:54:05 PM  
Well obviously one of the genes is for being short and powerfully built, and the other is for body hair and fangs. We aren't really missing all that much, IMO.
 
2012-07-19 07:55:50 PM  
 
2012-07-19 07:57:11 PM  

hogans: Hermit crabs have 254.

Is that not enough for you? Adders-tongue ferns have 1440.

Quantity does not correlate to quality.


A group- of single-celled eukaryotes, the Dinoflagellates, have genomes orders of magnitude bigger than ours. While it is disputed, one contender for largest genome is the Ameobozoan Polychaos dubium at 670 billion base pairs, 200 times larger than the human genome. There is all kinds of weird out there.
 
2012-07-19 07:59:21 PM  
Really? None of you paid any farking attention in middle-school Biology?

Ooookay, here we go:

Down's Syndrome
Cystic Fibrosis
Kleinfelter's
Sickle-Cell Anemia
Parthenogenetic Schizophrenia
Parthogenetic Psychosis
Red Hair
Gold Eyes
Giantism
Dwarfism
Vertiligo
Joint Dysplasia...

/The hits just keep on coming...
 
2012-07-19 08:00:51 PM  

Jedekai: Really? None of you paid any farking attention in middle-school Biology?

Ooookay, here we go:

Down's Syndrome
Cystic Fibrosis
Kleinfelter's
Sickle-Cell Anemia
Parthenogenetic Schizophrenia
Parthogenetic Psychosis
Red Hair
Gold Eyes
Giantism
Dwarfism
Vertiligo
Joint Dysplasia...

/The hits just keep on coming...


Those are all freaks of nature.

How do I know you didn't RTFA?
 
2012-07-19 08:01:26 PM  
Maybe they turned off and faded away when we started wearing clothing and didn't need so much fur.
 
2012-07-19 08:06:14 PM  

entropic_existence: hogans: Hermit crabs have 254.

Is that not enough for you? Adders-tongue ferns have 1440.

Quantity does not correlate to quality.

A group- of single-celled eukaryotes, the Dinoflagellates, have genomes orders of magnitude bigger than ours. While it is disputed, one contender for largest genome is the Ameobozoan Polychaos dubium at 670 billion base pairs, 200 times larger than the human genome. There is all kinds of weird out there.


670 billion base pairs? That's not an organism, it's an army.
 
2012-07-19 08:13:50 PM  

Balchinian: Well obviously one of the genes is for being short and powerfully built, and the other is for body hair and fangs. We aren't really missing all that much, IMO.


Actually humans and chimps have the same amount of body hair. The difference being that our body hair is thinner and shorter.
 
2012-07-19 08:15:14 PM  

Jedekai: Red Hair
Gold Eyes
Giantism
Dwarfism
Vertiligo



That'd be one farked up looking person for sure.
 
2012-07-19 08:16:08 PM  
Aliens.
 
2012-07-19 08:20:23 PM  

Jedekai: Really? None of you paid any farking attention in middle-school Biology?

Ooookay, here we go:

Down's Syndrome
Cystic Fibrosis
Kleinfelter's
Sickle-Cell Anemia
Parthenogenetic Schizophrenia
Parthogenetic Psychosis
Red Hair
Gold Eyes
Giantism
Dwarfism
Vertiligo
Joint Dysplasia...

/The hits just keep on coming...


You do realize only one of those things you listed is actually caused by an extra chromosome right? Or were you just trolling?
 
2012-07-19 08:21:38 PM  

Marcus Aurelius: 670 billion base pairs? That's not an organism, it's an army.


Just thing, on the organismal level they outnumber us by orders of magnitude as well. Those little bastards are everywhere.
 
2012-07-19 08:22:30 PM  

Neondistraction: You do realize only one of those things you listed is actually caused by an extra chromosome right? Or were you just trolling?


Two actually, although the point still stands. (Kleinfelter's is XXY)
 
2012-07-19 08:26:47 PM  

Neondistraction: Jedekai: Really? None of you paid any farking attention in middle-school Biology?

Ooookay, here we go:

Down's Syndrome
Cystic Fibrosis
Kleinfelter's
Sickle-Cell Anemia
Parthenogenetic Schizophrenia
Parthogenetic Psychosis
Red Hair
Gold Eyes
Giantism
Dwarfism
Vertiligo
Joint Dysplasia...

/The hits just keep on coming...

You do realize only one of those things you listed is actually caused by an extra chromosome right? Or were you just trolling?


There's this world people interested in radiation use, it's called "Fallout".

Got someone back in your family tree with one of those conditions? CONGRATULATIONS! Genetics says someone down the line of your progeny is going to have it, too.
 
2012-07-19 08:35:31 PM  
Forty-Six and Two, just ahead of me.
 
2012-07-19 08:37:58 PM  

Jedekai: Neondistraction: Jedekai: Really? None of you paid any farking attention in middle-school Biology?

Ooookay, here we go:

Down's Syndrome
Cystic Fibrosis
Kleinfelter's
Sickle-Cell Anemia
Parthenogenetic Schizophrenia
Parthogenetic Psychosis
Red Hair
Gold Eyes
Giantism
Dwarfism
Vertiligo
Joint Dysplasia...

/The hits just keep on coming...

You do realize only one of those things you listed is actually caused by an extra chromosome right? Or were you just trolling?

There's this world people interested in radiation use, it's called "Fallout".

Got someone back in your family tree with one of those conditions? CONGRATULATIONS! Genetics says someone down the line of your progeny is going to have it, too.


Your point being? They don't involve an extra chromosome. They're in the genes, sure, but they're not a result of a whole chromosome duplicating.
 
2012-07-19 08:38:29 PM  
The article made me crave ramen.
 
2012-07-19 08:41:39 PM  
Dr. Miller on Chromosomal Fusion

While "Intelligent Design on Trial" is a fantastic program itself, this is Dr. Ken Miller, who was an expert in the Dover case, discussing one of the pieces of evidence presented in the Dover case. Gets right to the information relevant to this question.
 
2012-07-19 08:42:18 PM  

Britney Spear's Speculum: Aliens.


It's always aliens.
 
2012-07-19 08:43:26 PM  
Sometimes chromosomes split into two new chromosomes, which are then propagated to offspring.
Sometimes two chromosomes condense into one chromosome, which is then propagated to offspring.

The wonders of fluid, mutable, interchangeable, rearrangeable DNA.
 
2012-07-19 08:54:12 PM  

entropic_existence: Neondistraction: You do realize only one of those things you listed is actually caused by an extra chromosome right? Or were you just trolling?

Two actually, although the point still stands. (Kleinfelter's is XXY)


Bah, that was the only one I wasn't sure about, but I didn't feel like looking it up.

And while it is technically a genetic mutation, I'm not sure red hair really fits with anything else on that list. If I had to pick between red hair and anything else on that list, I'd be a ginger. Although gold eyes would be a close 2nd, so long as it doesn't affect my vision.
 
2012-07-19 08:55:57 PM  
our chromosome one is syntenic with their chromosomes 12 and 13. At some point, our 12 and 13 joined and made 1. That's why it's so huge.

syntenic meaning that most of the genes and gene order on our chr 1 and their 12/13 are the roughly the same.

http://biologos.org/blog/signature-in-the-synteny
 
2012-07-19 08:56:15 PM  
Ok, I admit, I lost them. I swear they were in my pocket, but when I looked, they were gone. Maybe they rolled under the couch or something.
 
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