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A sampling of the enormous variation in human eye color

Eye Color Explained

1 posted on 05/31/2009 1:23:08 PM PDT by SunkenCiv
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The article is from March 2007, but apparently it didn't get posted.

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2 posted on 05/31/2009 1:24:23 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/____________________ Profile updated Monday, January 12, 2009)
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To: SunkenCiv
what about heterochromia?


3 posted on 05/31/2009 1:27:00 PM PDT by Perdogg (Sarah Palin-Liz Cheney 2012)
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To: SunkenCiv
"accounts for about 74 percent of the total variation"

About 74%! Reminds me of when Darwin wrote that the Wealden deposits were 306,662,400 years old. (On the origin of species by means of natural selection or the preservation of favored races in the struggle for life, 1st edition)

It's either 74%, or it's not 74%. It might be "about 75%", but "about 74%" is pure tardedness.
4 posted on 05/31/2009 1:28:42 PM PDT by chuck_the_tv_out (click my name)
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To: SunkenCiv

Yes as the article staes, most people are not aware of the fact that iris pigmentation is based completely on the AMOUNT of iris pigment, not its inherent coloration.

Swedes for example simply have less iris pigment for example than Africans.

The presence of pigment throughout the eye, does have some beneficial, protective effects for other ocular pathology, such as age-related macular degneration (ARMD).


5 posted on 05/31/2009 1:28:46 PM PDT by EyeGuy
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To: SunkenCiv

for later


6 posted on 05/31/2009 1:29:33 PM PDT by ElayneJ
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To: SunkenCiv

Both parents of this kid are black, BTW.

10 posted on 05/31/2009 1:32:29 PM PDT by MyTwoCopperCoins (I don't have a license to kill; I have a learner's permit.)
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To: SunkenCiv

Eye color is an example of what biologists call “continuous variation” - a trait that is obviously influenced by multiple genes. I always remind my students that this is the case even while I am using eye color as an example of a simple Mendelian trait. It is easy for them to relate to since most people have eyes that are some shade of brown or blue.


14 posted on 05/31/2009 1:38:19 PM PDT by srmorton (Chose life!)
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To: SunkenCiv
Mine are hazel, as in the lower left in your photograph. What was particularly interesting to me was that for the first 45 years of my life my eyes were light brown with a few green flecks. After 45, they turned hazel...I even changed the eye color answer on my driver's license. My dad had light blue eyes, my mom brown, and my sister has blue.

And our genes are quite mixed up: Celtic, Romanian, Jewish and Ukrainian.

15 posted on 05/31/2009 1:38:29 PM PDT by Pharmboy (Who ever thought we would long for the days of the Clinton administration...)
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To: SunkenCiv

My eyes get greener as I get older. What’s the deal with that.
My grandson eyes were blue blue blue until he turned fourish and changed to dark brown - freaky really.


16 posted on 05/31/2009 1:38:45 PM PDT by svcw (The prerequisite for receiving the grace of God ... is knowing you need it.)
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To: SunkenCiv

26 posted on 05/31/2009 1:50:46 PM PDT by Red_Devil 232 (VietVet - USMC All Ready On The Right? All Ready On The Left? All Ready On The Firing Line!)
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To: SunkenCiv

Mine are green with a ring of yellow.

I had a girlfriend with solid gray eyes. I loved them, they were so unusual and unique.


28 posted on 05/31/2009 1:52:32 PM PDT by Crazieman (Feb 7, 2008 http://www.freerepublic.com/focus/f-news/1966675/posts?page=28#28)
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To: SunkenCiv
I always knew it had to be more complex than they said (I have hazel eyes). But I admit, I prefer the old Mendelian genetics, because I understood it, and this stuff is wayyyyyyy complicated!
38 posted on 05/31/2009 2:09:04 PM PDT by brytlea (Jesus loves me, this I know.)
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To: SunkenCiv

Somehow, somewhere I think there’s a mom, maybe from Maury’s show, just itching to use this to ‘splain’ to the [maybe] baby daddy he’s the one.


44 posted on 05/31/2009 2:15:17 PM PDT by Gaffer
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To: SunkenCiv

Bump for later read


75 posted on 05/31/2009 2:41:03 PM PDT by Yaelle
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To: SunkenCiv

As a kid my eyes were blue like top center but are not green likd middle left.

When in my twenties my eyes were stil blue, but when I drank they went very green.


81 posted on 05/31/2009 3:17:30 PM PDT by School of Rational Thought (I once had an awkward moment just to seen how it felt.)
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To: SunkenCiv
I'm #3. My father was #9 (German and Irish), and my mother #4 or #5 (German and Irish). My husband is #2 (Swedish, Scottish and Irish)
94 posted on 05/31/2009 4:15:21 PM PDT by trisham (Zen is not easy. It takes effort to attain nothingness. And then what do you have? Bupkis.)
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To: SunkenCiv
My parents and siblings all have brilliant, beautiful blue eyes.

Mine are pea-green. Iraqis have called me "eyuni bazuna." (Eyes of a cat.)

Go figure.

103 posted on 05/31/2009 4:31:18 PM PDT by Allegra ( Never argue with an idiot. They bring you down to their level and beat you with experience.)
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To: SunkenCiv

I once saw a picture of a Mongoloid girl with blond hair and brown eyes. Very unusual. I also saw a pic of a Pakistani kid with blue eyes and blond streaks in his dark hair. Although it's not *too* unusual for Pakis, Afghans, and Persians to have lighter hair and eyes; they are Indo-Europeans like you and me after all. You can even find Arabs with blue or green eyes, but it's rarer.

There are some pretty cool animals with blue eyes.

Zebra (copy & paste URL to see image at full size to better see the eyes):



Snake: (There was a really good pic w/a close-up of the eyes but I can't seem to find it)



Koala:



106 posted on 05/31/2009 5:40:28 PM PDT by G8 Diplomat (I'm learning Arabic, Farsi, Urdu, Pashtu, and Russian so someday you won't have to)
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To: SunkenCiv

My eyes are green as grass.
lol


112 posted on 05/31/2009 8:33:32 PM PDT by Shadowstrike (Be polite, Be professional, but have a plan to kill everyone you meet.)
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To: SunkenCiv

117 posted on 05/28/2016 2:50:11 PM PDT by Daffynition ("We have the fight of our lives coming up to save our nation!" ~ Jim Robinson)
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