This is the world of tetrachromacy, this very unusual genetic ... the ordinary becomes extraordinary in revealing the beauty ...

It doesn't require that the person preparing the test be a tetrachromat herself.<BR><BR>My understanding is that people with this condition usually have two different red photoreceptors both ...

In fact, there are two distinct types of tetrachromacy. In some cases, it's genetic. But in some rare cases, it can also be an acquired trait. While it's difficult to test, enough tetrachromats ...

Only about 25 percent of the population is tetrachromat. In case you were wondering, there were 39 different colors in the test. Some are critical of the test. Snopes claims the test is bogus.

About 25% of the population is a tetrachromat. If you see more than 39 colors nuances — you are making things up. Dervals says there are only 39 different colors in the test above and probably ...

Tetrachromacy is a rare genetic trait that ... in fact something different about her vision until undergoing a genetic test in 2012. Genetic testing looks for mutations in two genes on the X ...

who say computer screens do not provide enough color information and “it is therefore impossible for an online test to investigate tetrachromacy.” “Additionally, the claim that 25% of people ...

But by 2010, she had found a subject who perfectly acted the part of a tetrachromat. Jordan’s “acid test” involved coloured discs showing different mixtures of pigment, such as a green made ...

On 28 February 2015, an online test for tetrachromacy (a rare condition of a person's having four cone cells in the eye) went viral after being shared on the LinkedIn social media site.

The extra testing is necessary because it seems that while 12 percent of women may test positive for the genes for tetrachromacy ... taking along a swatch of fabric or a bit of tile.

The extra testing is necessary because it seems that while 12 percent of women may test positive for the genes for tetrachromacy ... taking along a swatch of fabric or a bit of tile.