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The Eyes Have It: The Scientific Truth About Your Peepers

The eyes have it as far as being able to tell others about yourself without anyone speaking a single word. Scientific evidence dictates that your peepers have a lot to say because this complicated issue depends on a multi-gene trait, not a single one.

According to The Mind Unleashed, “It’s a little bit more complicated than to simply say that the brown eye color is the dominant one. It’s more of a gene combination. It’s also genetically possible to have your eye color divided into two colors on your iris, or different color irises.”

The Eyes Have It: The Scientific Truth About Your Peepers

The genes are sorted out according to associations to small changes in the these genes as well as in neighboring genes. Although how many genes contribute to eye color is not a known quantity, a five-year-old Rotterdam study found that this aspect of the human body can be predicted with more than 90 percent accuracy for brown and blue eyes. That said, evidence indicates as many as 16 different genes could be responsible for eye color in humans.

So, keep in mind that even constants have variables when it comes to eye color. Case in point: some humans are born with eyes that are two different colors. This condition is called heterochromia.

To put the whole eye color conundrum in simple terms, the color of a person’s eye depends “on the amount of pigment (melanin) found in the iris and how it is distributed. Light gray-blue eyes contain much less pigment than extremely dark brown eyes. And there are many shades of eye color in between.”

In addition, it’s important to realize that “your eyes don’t constantly produce pigment, thus becoming lighter or even darker as time goes on.”

And so, as scientific studies say that the eyes have it when it comes to divulging multi-gene traits, perhaps it’s best to let a potential friend, lover, or even a boss look deep into your peepers before forging ahead with a serious relationship.