Since the genes are on the X chromosome, tetrachromacy is more common in females with two X chromosomes and may carry different versions of the opsin genes. In contrast, males have only one X ...

Interestingly, many women who have tetrachromacy also have color-blind men in their families. And extrapolating from men’s color blindness statistics, researchers now believe as many as 12 ...

Since the genes are on the X chromosome, tetrachromacy is more common in females with two X chromosomes and may carry different versions of the opsin genes. In contrast, males have only one X ...

On 28 February 2015, an online test for tetrachromacy (a rare condition of ... The odds of being a male tetrachromat are even lower, as it requires two X chromosones to develop four types of ...

After decades of exhaustive study, scientists have concluded that human tetrachromacy is real. Some people have a truly superhuman range of color vision. In fact, there are two distinct types of ...

This is everything you need to know about Tetrachromacy. Tetrachromacy is a condition which allows people to see colours invisible to most of us. Almost everyone has three types of cone cells in ...

For years, researchers weren’t sure tetrachromacy existed ... These are connected to the X chromosome—most men have only one, but most women have two. Mutations in the X chromosome cause ...

Tetrachromacy is a rare genetic trait allowing individuals, primarily women, to perceive up to 100 million colors—99 million more than the average person. With four types of cone cells in their ...

I realized I may be witnessing scientific history. New tetrachromacy test is to color vision what the Rosetta Stone was to language. Source: By Ozgun Evren Erturk. Late last year, Dr. Patten ...