Several genetic markers contribute to our final eye color shade. A baby born with blue eyes can have brown eyes by their 1st birthday.

Do you have dark brown hair and brown eyes ... any particular baby might have extremely hard—even if you try to base it on their parents or grandparents. A pair of blue-eyed parents can still ...

A baby boy’s eyes temporarily changed from dark brown to bright blue after receiving a common ... specifically in human hair and nails. In the end, the child did not appear to have suffered ...

Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like ...

Other common misconceptions include that "two blue-eyed parents cannot have a brown-eyed baby or that blue eyes ... where two thirds of the people have blonde hair and green eyes." ...

the pigment that colors hair, skin, and eyes. Eiberg's theory is that a mutation occurred between 6,000 and 10,000 years ago that switched on the ability for the gene to dilute brown eyes to blue.