Genetic mutation in women

Genetic mutation in women causes them to have a fourth color cone in their eye,these people are probably called "superhuman "

Tetrachromatic Vision

The world is a colorful place, its a lot colorful for some women than for others due to genetic mutation  . Preliminary research suggests that a small percentage of people can perceive about 100 million colors, as compared with the roughly one million colors most of us can see.
Are these people super human? They’d probably like to think so--and who can blame them--but to really understand this strange phenomenon, you must first understand a bit about the color-perceiving "cone cells" that line the backs of the eyes.
Most animals are so-called "dichromats," meaning their eyes contain two kinds of cone cells. But along with certain other primates, most humans are "trichromats," meaning their eyes have three kinds of cone cells. Since each cone cell is capable of perceiving about 100 different colors, the total number of colors a trichromatic person can perceive is 100^3, or one million, But some women shows a 4th type of color of colour vision called as " tetrachromats " due to mutation perceiving them to see million of more colour 
But Neitz estimated only about 2 percent of women have that extra retina cone, and there's still no test to reliably predict whether someone really has “super vision” or not. But researchers are working to identify the few tetrachromats among us.


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