Naked Science Forum

Life Sciences => Physiology & Medicine => Topic started by: medhavika on 10/03/2004 05:28:59

Title: eyecolor
Post by: medhavika on 10/03/2004 05:28:59

i want to know that is it possible for someone to have one eye blue and the other one brown?if yes then how?

Title: Re: eyecolor
Post by: Ylide on 10/03/2004 07:52:23

Not only is it possible, I even know a person (a former supervisor at an old job) who had ONE eye that was half green and half blue.  No joke...his left iris was a green semicircle and a blue semicircle joined together.  It was creepy.  

As for how that happens, my initial guess is genetic change, like a recessive epistasis, that affects the expression of eye color.  There are several genes that affect eye color, so it could really be a mutation involving any of them.  





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Title: Re: eyecolor
Post by: neilep on 10/03/2004 22:23:29

Check out David Bowie....he has two different coloured eyes, not too sure if they're brown and blue though..

'Men are the same as women...just inside out !'

Title: Re: eyecolor
Post by: neilep on 10/03/2004 22:27:18

....actually, I did a quick google picture search and I'm sure that one is brown the other is blue...check out this link http://www.mondomodels.com/01/pods/1-celebrities/bowie-01/bowie-smile-01.html

'Men are the same as women...just inside out !'

Title: Re: eyecolor
Post by: chris on 11/03/2004 00:37:59

We've covered this in a show last October featuring developmental biologist Professor Martin Raff. A guy called up the show and asked this very question about why he has one blue and one brown eye.

http://www.thenakedscientists.com/html/shows/2003.10.12.htm

Chris

"I never forget a face, but in your case I'll make an exception"
 - Groucho Marx

Title: Re: eyecolor
Post by: roberth on 11/03/2004 03:29:49

That's funny, I've got two green eyes and one brown eye! Sorry Chris, but I've been waiting for someone to type it like that.

Title: Re: eyecolor
Post by: medhavika on 14/03/2004 17:31:21

David Bowie has two different eye colors for a very differing reason from inheritance. When he was younger, he was punched in the eye and that caused the "blue eye" to lose pigment. He actually has the genes for 2 brown eyes.

Title: Re: eyecolor
Post by: neilep on 14/03/2004 18:15:10

Hey medhavika.......I did not know that....but now I do....ta....and there I was thinking I was being all nice and helpful [;)]

'Men are the same as women...just inside out !'