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How rare is it to be a tetrachromat?

Tetrachromacy is thought to be rare among human beings. Research shows that it’s more common in women than in men. A 2010 study suggests that nearly 12 percent of women may have this fourth color perception channel. Men aren’t as likely to be tetrachromats.

Can you become a tetrachromat?

Women inherit two X chromosomes, so if a mutation occurs on both chromosomes, they have the potential of being a tetrachromat. As men only inherit one X chromosome, any mutations that occur would result in them having anomalous trichromacy.

How many colors can Concetta Antico see?

100 million
Concetta Antico is a tetrachromat meaning she can see 100 million more colors than the normal human due to an ultra-rare 4th channel in her eye that processes color. SAN DIEGO — Most people can see colors, but what if it was possible to see 100 million more colors than the normal person.

Can tetrachromats see ultraviolet?

By some estimates they can see about 100 million different colors, or about 99 million more than we can! This is due largely to the fact that many tetrachromats have a fourth cone sensitive to the ultraviolet part of the spectrum, which is invisible to the human eye.

How do I know if I am a Tetrachromat?

If you see between 20 and 32 colors, you have three types of color receptors. About 50 percent of the population are trichromats. If you see between 33 and 39 colors, you are a tetrachromat and have four types of cones.

Who has Tetrachromacy?

Tetrachromacy is demonstrated among several species of bird, fish, amphibian, reptile, insect, and some mammals. It was the normal condition of most mammals in the past; a genetic change made the majority of species of this class eventually lose two of their four cones.

How do Tetrachromats see the world?

Tetrachromats can see colors that most people cannot — up to 100 million, estimates suggest, which is 100 times that of the average human. Most people have three cells, or receptors, in their retinas, but tetrachomats have a fourth receptor, which may be what allows for their heightened color perception.

How do I know if I’m a Tetrachromat?

Can you test for Tetrachromacy online?

Q: Is there an online test that I can do? A: Unfortunately, computer screens do not provide enough colour information to be able to ‘tap into’ the extra dimension that tetrachromats may possess. It is therefore impossible for an online test to investigate tetrachromacy.