Colorful

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While most humans are trichromatic (having three types of color receptors), many animals, known as tetrachromats, have four types. These include some species of spiders, most marsupials, birds, reptiles, and many species of fish. Other species are sensitive to only two axes of color or do not perceive color at all; these are called dichromats and monochromats respectively. A distinction is made between retinal tetrachromacy (having four pigments in cone cells in the retina, compared to three in trichromats) and functional tetrachromacy (having the ability to make enhanced color discriminations based on that retinal difference). As many as half of all women are retinal tetrachromats. :p. 256 The phenomenon arises when an individual receives two slightly different copies of the gene for either the medium- or long-wavelength cones, which are carried on the X chromosome. To have two different genes, a person must have two X chromosomes, which is why the phenomenon only occurs in women. There is one scholarly report that confirms the existence of a functional tetrachromat.

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Colorful Wallpapers | Best Wallpapers
Colorful Wallpapers | Best Wallpapers
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Nice Wallpapers Colorful | PixelsTalk.Net
Nice Wallpapers Colorful | PixelsTalk.Net
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Colorful Background 30
Colorful Background 30
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Colorful Wallpaper Tumblr | PixelsTalk.Net
Colorful Wallpaper Tumblr | PixelsTalk.Net
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Colorful Smoke Wallpaper (70+ images)
Colorful Smoke Wallpaper (70+ images)
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Cool Colorful 3D Wallpapers - We Need Fun
Cool Colorful 3D Wallpapers - We Need Fun
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Free 43 Colorful Desktop Backgrounds – Technosamrat
Free 43 Colorful Desktop Backgrounds – Technosamrat
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Free Colorful Wallpaper Desktop | PixelsTalk.Net
Free Colorful Wallpaper Desktop | PixelsTalk.Net
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110 Super high resolution abstract wallpapers for your ...
110 Super high resolution abstract wallpapers for your ...
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Awesome Colorful Wallpaper - Alees Blog
Awesome Colorful Wallpaper - Alees Blog
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3d colorful wallpapers HD | PixelsTalk.Net
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Colorful Neon Lamps VJ Pack - Gesh.tv
Colorful Neon Lamps VJ Pack - Gesh.tv
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Colorful Wallpapers | Best Wallpapers
Colorful Wallpapers | Best Wallpapers
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25+ Best Cool iPhone 6 Wallpapers & Backgrounds in HD ...
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Colorful Wallpapers | Best Wallpapers
Colorful Wallpapers | Best Wallpapers
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Free Colorful Wallpaper Desktop | PixelsTalk.Net
Free Colorful Wallpaper Desktop | PixelsTalk.Net
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Colorful HD Wallpapers - Wallpaper Cave
Colorful HD Wallpapers - Wallpaper Cave
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Colorful Abstract Backgrounds Free Download | PixelsTalk.Net
Colorful Abstract Backgrounds Free Download | PixelsTalk.Net
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35 Colorful iPad Backgrounds
35 Colorful iPad Backgrounds
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Colorful HD Wallpapers - Wallpaper Cave
Colorful HD Wallpapers - Wallpaper Cave
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Nice Wallpapers Colorful | PixelsTalk.Net
Nice Wallpapers Colorful | PixelsTalk.Net
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Colorful Wallpapers, Pictures, Images
Colorful Wallpapers, Pictures, Images
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Free 43 Colorful Desktop Backgrounds – Technosamrat
Free 43 Colorful Desktop Backgrounds – Technosamrat
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Nice Wallpapers Colorful | PixelsTalk.Net
Nice Wallpapers Colorful | PixelsTalk.Net
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Colorful Wallpapers | Best Wallpapers
Colorful Wallpapers | Best Wallpapers
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Free 43 Colorful Desktop Backgrounds – Technosamrat
Free 43 Colorful Desktop Backgrounds – Technosamrat
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Free Colorful Wallpaper Desktop | PixelsTalk.Net
Free Colorful Wallpaper Desktop | PixelsTalk.Net
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Colorful Phone Wallpapers For Android | PixelsTalk.Net
Colorful Phone Wallpapers For Android | PixelsTalk.Net
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Colorful Background, Abstract Colorful Background, #22665
Colorful Background, Abstract Colorful Background, #22665
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Free 43 Colorful Desktop Backgrounds – Technosamrat
Free 43 Colorful Desktop Backgrounds – Technosamrat
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Very Colorful Wallpapers (68+ images)
Very Colorful Wallpapers (68+ images)
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Colorful - New Video Digital - Cinedigm Entertainment
Colorful - New Video Digital - Cinedigm Entertainment
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Colorful Flowers Wallpapers HD | PixelsTalk.Net
Colorful Flowers Wallpapers HD | PixelsTalk.Net
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Colorful Wallpaper in 2019 | Colorful wallpaper, Abstract ...
Colorful Wallpaper in 2019 | Colorful wallpaper, Abstract ...
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Colorful Phone Wallpapers For Android | PixelsTalk.Net
Colorful Phone Wallpapers For Android | PixelsTalk.Net
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Free 43 Colorful Desktop Backgrounds – Technosamrat
Free 43 Colorful Desktop Backgrounds – Technosamrat
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Nice Wallpapers Colorful | PixelsTalk.Net
Nice Wallpapers Colorful | PixelsTalk.Net
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Nice Wallpapers Colorful | PixelsTalk.Net
Nice Wallpapers Colorful | PixelsTalk.Net
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Free Colorful Wallpaper Desktop | PixelsTalk.Net
Free Colorful Wallpaper Desktop | PixelsTalk.Net
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Free 43 Colorful Desktop Backgrounds – Technosamrat
Free 43 Colorful Desktop Backgrounds – Technosamrat
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Free 43 Colorful Desktop Backgrounds – Technosamrat
Free 43 Colorful Desktop Backgrounds – Technosamrat
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Colorful Background 12
Colorful Background 12
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Colourful Backgrounds, Wallpaper Of Colourful, #29182
Colourful Backgrounds, Wallpaper Of Colourful, #29182
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3d colorful wallpapers HD | PixelsTalk.Net
3d colorful wallpapers HD | PixelsTalk.Net
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Colorful GIF - Find on GIFER
Colorful GIF - Find on GIFER
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Free photo: Colorful - Road, Route, Spring - Free Download ...
Free photo: Colorful - Road, Route, Spring - Free Download ...
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Colorful Wallpapers | Best Wallpapers
Colorful Wallpapers | Best Wallpapers
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Awesome Colorful Wallpaper - Alees Blog
Awesome Colorful Wallpaper - Alees Blog
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Colorful Birds Flying | WeNeedFun
Colorful Birds Flying | WeNeedFun
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New Art Funny Wallpapers Jokes: Colorful Backgrounds 3D ...
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