Of course, not all blue eyes are the same. The gradations in blue are due to variations in melanin levels as well. Melanin ...

Several common variations in the OCA2 gene reduce the amount of P protein, which is why there is a continuum of eye colors from deep brown to grayish blue. Do other factors determine eye color? Yes.

Discover how the genetics behind your eye color connects to various health conditions, from melanoma risk to pain tolerance—what your eye shade reveals.

Blue eyes have been around for at least 7,000 years but we still don't know exactly why they evolved. Brad Pitt has them, ... A variation in the HERC2 gene, ...

If you have the rarest hair color and eye color combination, you're one in a million—or more! Here's the pair that makes you a rarity.

Mysterious blue-eyed coyotes spotted living in California are still leaving experts puzzled. Coyotes—which can be found all over the United States—usually have yellowish eyes and brown irises.

Central heterochromia occurs when a person has different colors in the same eye. Variations in the spread and concentration of skin pigment cause this. The condition is usually present from birth ...

Here are the Top Blue-Eyed Dog Breeds. Top Blue-Eyed Dog Breeds. 29 Feb, 2024. ... Dachshund: This dog breed often has blue-eye variations, including one blue and one brown or full blue eyes.

More than 50% of people worldwide have brown eyes, making brown the most common eye color. Some medical conditions can also affect eye color. Share on Pinterest ohlamour studio/Stocksy United The ...