Both parents have to pass along the blue eye gene in order for their child to have blue eyes. Therefore, two brown-eyed partners can birth a blue-eyed baby. Approximately 27% of people in the United States and between 8% and 10% of the world's population have blue eyes. . "They have all inherited the same switch at exactly the same spot in their DNA.". However, at this point, the cause of the correlation is still unclear, and more study is needed to fully comprehend this correlation in the results. A baby's eyes may be blue during this time, but later change color. The Hollywood stereotype of inbreeding would have you believe it is a surefire route to being a horror villain. Financial support for ScienceDaily comes from advertisements and referral programs, where indicated. Gray eyes: A rare and beautiful eye color. Inbreeding stacks the odds of being born with such conditions against you. The back layer, also known as the pigment epithelium, contains brown pigment in almost everyones case, even those with blue eyes. Why Does Weed Make Your Eyes Red? Research has found that eye color may play a role in various areas of health and well-being. Eyelashes and eyebrows are often pale. January 2008. A redhead of African descent is pretty rare. Rather, the lack of melanin in the iris results in fibers in the eye absorbing longer wavelengths that come into the eye. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); European countries with a population smaller than London metro area (All inbred), Black people in England and Wales three times as likely to live in socialhousing, Two-thirds of Brits want new political party to fight against Tories andLabour, European countries with a population smaller than London metro area (Allinbred). A baby with a benign genetic mutation was born in Europe between 6,000 and 10,000 years ago. 2011;27(6):609-613. doi:10.1002/dmrr.1214. One Common Ancestor Behind Blue Eyes | Live Science In Ireland about 10% have red hair, but as many as 46% are carriers. This is one reason why blue colour contact lenses are popular.
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