DNA analysis of a 7,000 year-old cave-dwelling human skeleton from north Spain revealed what surprising genetic feature?
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greyeyed eye colour grey eyes hazel colour history of eye colors brown eyed iris color eyes color browneyed blue eye hazel eyes brown eyes eyecolor purple eyes eye color blue eyes grey eye gray eye brown eye eye colors blue eye disambiguation hazel color gray eyes grey eyed grayeyed history of eyes colors eye colours human eye pigment eye pigmentation hazel eye gray eyed
blue eyes
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Blue eyes