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  • Most commonly, you see brown, blue, or hazel eyes, but some people, whether it be luck or a medical condition, wind up with really cool and rare eye colors.

    6 Rare and Unique Eye Colors

    6 Rare and Unique Eye Colors

    by Tatiana84

  • Though there isn't much research data available, we can confidently say that the rarest eye color in the world is Green. Amber, Violet/Red and Black are also extremely rare.

    Rarest Eye Color in Humans

    Rarest Eye Color in Humans

    by Edmund Custers472

  • Hair color is primarily genetic, and red hair is caused by mutations in the MC1R gene. The gene for red hair also causes an increased sensitivity to sunlight and a reduced sensitivity to anesthesia. Contrary to internet rumors, redheads are not going extinct! Famous redheads include Queen Elizabeth I and Malcolm X.

    Redheads: The Genetics of Hair Color

    Redheads: The Genetics of Hair Color

    by Leah Lefler73

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