Exactly how is a person's eye color determined? It depends on the amount, type and distribution of melanin, or pigment, in the iris of the eye, a genetics expert reveals — and more.

A child’s eye color depends on the pairing of genes passed on from each parent, which is thought to involve at least three gene pairs. The two main gene pairs geneticists have focused on are ...

Eye color is complicated. But until a few years ago, few scientists described it that way. As recently as the aughts, it was believed that eye color was determined by a single gene — brown, dominant; ...

But that’s a simplistic view of eye color, and determining hair color is even more complicated. “Hair color is a bit more complex than dominant and recessive and is related to variants in the ...

Experts weigh in on the rarest eye color in the world—and the genetics behind it. ... This also means that brown is dominant and blue is the least dominant, also known as recessive.

Wong says "hazel eyes are thought to be the most complex and varied eye color," in another Instagram video post shared in December. This is down to their color being a mix of gold, brown and green.

We look at the facts and fiction behind this unique combination of hair and eye color. ... Both traits are the result of recessive genes, just as blue eyes or O blood type is.

But that’s a simplistic view of eye color, and determining hair color is even more complicated. “Hair color is a bit more complex than dominant and recessive and is related to variants in the ...