what is the difference between brown eyes and blue eyes?
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So brown eyes are dark because lots of melanin in the front layer absorbs any light hitting the iris. In blue eyes, though, light can pass right through the clear front of the iris and reflect off the melanin in the back of the eye.
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Eye color isn't set in stone until age 2. While only 1 in 5 Caucasian adults have blue eyes in the United States, most are born blue-eyed. Their irises change from blue to hazel or brown during infancy. ... Babies aren't born with all the melanin they are destined to have.
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Only 8 Percent of the World's Population Has Blue Eyes Since blue eyes are genetically recessive, only 8 percent of the world's population has blue eyes. While blue eyes are significantly less common than brown eyes worldwide, they are frequently found from nationalities located near the Baltic Sea in northern Europe.
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Whether eyes are blue or brown, eye color is determined by genetic traits handed down to children from their parents. A parent's genetic makeup determines the amount of pigment, or melanin, in the iris of the his or her child's eye. With high levels of brown melanin, the eyes look brown.
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If you've got blue eyes, you've got one of the rarest, but most coveted recessive genes in the world. In fact, only about 17 percent of the world's population has blue eyes. In contrast, more than 50 percent of the global population is believed to have brown eyes.
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Many people are curious if eye color can change. The answer is – absolutely! People with green, blue or brown eyes all experience change in color from time to time.
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Well according to PEIMAG, blue-eyed people are more attractive, stating: ... Many studies have been performed and they all concluded the same thing – a majority of all people consider those with blue eyes to be slightly more attractive on average than people with brown or hazel eyes.
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The way people write out dominant and recessive traits is the dominant one gets a capital letter and the recessive one a lower case letter. So for eye color, brown is B and blue is b. As I said above, people have two versions of each gene so you can be BB, Bb, or bb--BB and Bb have brown eyes, bb, blue eyes.
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Blue eyes have a low level of pigment present in the iris. Recently, scientists announced that everyone with blue eyes is related! ... And they may appear to “change color” from gray to blue to green depending on clothing, lighting, and mood (which may change the size of the pupil, compressing the colors of the iris).
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According to the Eye Doctors of Washington website, gray eyes, unlike blue eyes, often have flecks of gold and brown in them. If you look closely, you may even see gray eyes changing color. Depending on what a person is wearing and what color light they are in, a person's gray eyes may appear gray, blue, or even green.
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Brown and hazel eyes are often put into the same category. In certain types of light, especially low light, hazel eyes can appear to be light brown. However, hazel eyes are far more diverse compared to brown eyes. When eyes are hazel, they are brown mixed with amber and green.
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Brown is the most common eye color. Individuals with brown eyes have more melanin present, and over half of the people in the world have brown eyes. ... Hazel eyes mostly consist of shades of brown and green. Much like gray eyes, hazel eyes may appear to “change color” from green to light brown to gold.
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Your eye color is largely determined by genetics. Green eyes are the rarest color. Brown eyes are the most common. People can also have blue eyes, (Learn More) gray eyes, (Learn More) or hazel eyes.
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Worldwide, brown hair and blue eyes are relatively rare. However in ethnic Europeans, this combination is common and reaches the world's maximum in the island of Ireland in North-Western Europe. In northern France, many people also have brown hair and blue eyes (though not the majority.
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Blue green eyes rare True blue green eyes are extremely rare. To qualify as having blue green, one must have a hint of both colors in the iris. This is a distinctive feature that separates people who have hazel eyes, where either green or brown are prominent.
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Often confused with hazel eyes, amber eyes tend to be a solid golden or copper color without flecks of blue or green typical of hazel eyes. Blue eyes have a low level of pigment present in the iris.
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Eyes - Siberians tend to have blue and/or brown eyes. Some have different shades of brown including hazel and light brown. ... It is common for one eye to have half brown and half blue. Bi-eyed is when a Husky has one blue eye and one brown eye.