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Red hair with blue eyes is the rarest combination of eye and hair color. It is even rarer than red hair and green eyes. This combination is so rare simply because both red hair and blue eyes genes are genetically recessive.
Having red hair and blue eyes is very rare. Only 17% of the world’s population have blue eyes, and only 1 to 2% have red hair.
Red hair occurs naturally in one to two percent of the human population, while just 17 percent of the world's population has blue eyes. The majority of redheads have brown, hazel, or green eyes. Require More Anesthetic. Redheads may be harder to sedate than blondes or brunettes, and require more anesthesia during surgery.
For every 100 people in the world, only one or two will have red hair. And when you meet a red head with blue eyes, you are looking at the rarest colour combination of all for human beings. The odds of having both red hair and blue eyes sits at around 0.17 per cent. Picture: Shutterstock.
According to an article by evolutionary biology professor Mark Elgar, PhD, of the University of Melbourne, blue-eyed redheads are the absolute rarest, with 0.17% of the population having that...
Is the combination of red hair and blue eyes in one person really the rarest? Some say that it's as simple as them both being recessive genes and having a low prevalence in the world population. But the relationship between hair color and eye color is complex (via Twin Research and Human Genetics ).
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 percent of people have blue eyes, and when combined with...