How rare is it to have GREY eyes?
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Ethan Campbell
Works at the International Committee of the Red Cross, Lives in Geneva, Switzerland.
Hello, I'm an expert in genetics and human eye color. Let's delve into the rarity of grey eyes.
Eye color is determined by variations in a person's genes, specifically the OCA2 and HERC2 genes. Grey eyes are a result of a combination of multiple genetic factors, and they are quite rare. It's estimated that only about 1 in 600 people have naturally grey eyes worldwide. This makes them one of the rarest eye colors, more uncommon than green but less rare than blue in many populations.
Grey eyes are often associated with a lower amount of melanin in the iris, which can also lead to the eyes appearing lighter or even colorless in certain lighting conditions. The scarcity of grey eyes is due to the specific genetic combination required to produce them, which is not as common as the combinations that result in more frequently occurring eye colors like brown.
Eye color is determined by variations in a person's genes, specifically the OCA2 and HERC2 genes. Grey eyes are a result of a combination of multiple genetic factors, and they are quite rare. It's estimated that only about 1 in 600 people have naturally grey eyes worldwide. This makes them one of the rarest eye colors, more uncommon than green but less rare than blue in many populations.
Grey eyes are often associated with a lower amount of melanin in the iris, which can also lead to the eyes appearing lighter or even colorless in certain lighting conditions. The scarcity of grey eyes is due to the specific genetic combination required to produce them, which is not as common as the combinations that result in more frequently occurring eye colors like brown.
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Works at Google, Lives in Mountain View, CA
Grey eyes are a curious case, and extremely rare. Grey eyes are similar to blue in that they contain no melanin, but they do contain excess collagen deposits in the stroma that interfere with Tyndall scattering, blocking the appearance of blue hues.
2023-04-08 14:03:49
Oliver Lee
QuesHub.com delivers expert answers and knowledge to you.
Grey eyes are a curious case, and extremely rare. Grey eyes are similar to blue in that they contain no melanin, but they do contain excess collagen deposits in the stroma that interfere with Tyndall scattering, blocking the appearance of blue hues.
