White Marbling In Blue Eyes Human

Eye color may be part of an adaptation to early farmers eating cereals.

White marbling in blue eyes human.

White cats that have two blue eyes are prone to a higher tendency of being deaf than do cats that have other coat and eye color combinations. Among human beings blue eyes are less common than brown eyes. Keep in mind it does not seem as though odd eyed cats have a significant risk of developing deafness in one or both ears any more than normal cats. New research shows that people with blue eyes have a single common ancestor.

The human eye does not have its full adult amount of pigment at birth. Scientists have tracked down a genetic mutation which took place 6 000 10 000 years ago and is the cause of the eye. Because of this many babies have blue eyes but their eye color changes as the eye develops during early childhood and more melanin is produced in the iris. This is one reason why blue colour contact lenses are popular.

It appears that a genetic mutation in a single individual in europe 6 000 to 10 000 years ago led to the development of blue eyes according to researchers at the university. Blue eyes at birth doesn t mean blue eyes for life.