8/15/2023 0 Comments Black baby girl with blue eyesHair gets its color from pigment, and the amount of pigment in the hair affects its exact shade. In truth, the genetics of hair color is just a little more complicated than your basic biology class might claim. Genes are stored inside chromosomes and determine everything from blood type to biological sex to baby eye color to baby hair color. Your genetic code consists of tens of thousands of directions that tell your body how to grow, called genes. To understand how baby hair color works, you will need to understand some basic genetics. More: Will My Baby Have Freckles? Will My Baby Inherit My Hair Color? While there is no sure bet, you can make some good guesses about your future child's hair color with the right information. Waardenburg syndrome can also impact the eye color in people of color.What will your baby look like? Baby hair color and baby eye color are some of the most common things expecting parents wonder about. It’s rare to see Black babies born with blue eyes but not impossible. Black People With Blue EyesĬusters’ research suggests that Black people with blue eyes are affected by the same OCA2 genetic mutation in the same way any other human is, despite the mutation originating in Europe. More than 80 percent of the inhabitants of Estonia and Scandinavian countries have blue eyes. Europe was the epicenter of the blue-eye gene mutation. Where Do You Find The Majority of Blue-Eyed People?Įurope has the widest variety of eye color, according to Custers, who adds those of European descent are the largest population of blue eyes. There are some exceptions, as health conditions such as Waardenburg syndrome and ocular albinism can affect pigmentation and as many as six different eye colors. It is believed that almost every blue-eyed person on earth today inherited the same gene mutation from the same source, according to research from Edmund Custers, who has spent more than a decade in clinical research writing about human anatomy and physiology. Because the melanin concentration is too low to produce brown eyes, blue eyes are produced instead. Scientists believe the mutation altered the amount of melanin produced in the iris of the eyes. Melanin is the substance that gives skin, hair, and eyes their color. The OCA2 gene formerly called the P gene is a gene code that produces a pigment called melanin, according to scientists with Medline Plus. “But a genetic mutation affecting the OCA2 gene in our chromosomes resulted in the creation of a ‘switch’ which literally ‘turned off’ the ability to produce brown eyes.” “Originally, we all had brown eyes,” Professor Hans Eiberg from the university’s Department of Cellular and Molecular Medicine, argues in the study. The team found that all the participants have the same DNA sequence for blue eyes, thanks to a genetic mutation that took place an estimated 10,000 years ago. The Science Behind Blue EyesĮarly research from the University of Copenhagen studied 800 men and women from several countries with blue eyes. To understand how this uncommon occurrence can happen, you must first look at the origins of blue eyes, which scientists say is a fairly newer phenomenon. A majority of these people are of European descent, however, Black people can be bornwith blue eyes even though it’s pretty rare. Blue is the second most common eye color globally, with an estimated 8 to 10 % of people having blue eyes.
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