Red hair blue eyes rare
Redheads Quotes (40 quotes)
Green Eyes, How Rare Are They?
13 amazing facts about redheads that everyone needs to know
In the array of possible natural hair colors, dark hues are the most common — more than 90 percent of people worldwide have brown or black hair. Red hair, occurring in just 1 to 2 percent of the population, is the least common. Blue eyes are similarly uncommon, and they may be becoming rarer. One study found that between and , more than half of non-Hispanic white people in the United States had blue eyes. But from to , that number fell to Today, estimates suggest about 17 percent of people worldwide have blue eyes. Your hair color and eye color come down to what genes you inherit from your parents.
The odds of having both red hair and blue eyes sits at around per of ways rare traits can be lost from a population," says Professor Elgar.
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Brown eyes, hazel eyes, green eyes, blue eyes — these are the standard shades for the windows to our soul. But what hair color most typically accompanies each eye color? According to Medical Daily , the most unlikely pairing is red hair and blue eyes. The traits for both red hair and blue eyes are recessive, so the chances of these two coming together are very rare. Only 1 to 2 percent of the population has red hair and only 17 percent have blue eyes. How crazy is that?
And when you meet a red head with blue eyes, you are looking at the rarest colour combination of all for human beings. Around 17 per cent of people have blue eyes, and when combined with per cent having red hair, the odds of having both traits are around 0. The reason these looks are so unusual is because they are the result of two different sets of DNA instructions, or mutations, happening in the same person, explains Professor Mark Elgar, an evolutionary biologist from the University of Melbourne. In contrast, brown hair and brown eyes are dominant traits, which is why they are much more prevalent. In some regions of the world, red heads are more common, making up per cent of the population in Scotland and Ireland for example.