Why do people have blue eyes

On the one hand, blue eyes are seen as an ideal of beauty, a myth that has been exported round the world.Genetically speaking, people with brown eyes can either be bb or bb, but people with blue eyes can only be bb.Notably, he says, the eye has special neurones in the retina that can detect blue light and use this to help regulate circadian rhythms.In addition, blue eyes will become even more intense if you wear bright colors, bringing more attention to your eyes as a result.Some people believe that individuals with blue eyes are the result of an alien species depositing their genetic material into the human genome.

People with blue eyes have no pigment at all in this front layer, causing the fibers to scatter and absorb some of the longer wavelengths of light that come in.The irish people are from northern europe, a region where light pigmentation prevails!If you have ever wondered why, like cameron diaz, leonardo di caprio, and frank sinatra, you have blue eyes, it is because you share a gene mutation first seen in a stone age man who lived about.Those with lighter eyes tend to have less melanin.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 of copenhagen.

A dark skin colour and dark eye colour go hand in hand because both of them are controlled by more than one allelic regions.Researchers are looking at the connection between blue eyes and increased cases of:Bright colors make eyes appear more blue.Scientists believe the mutation altered the amount of melanin produced in the iris of the eyes.Still, blue eyes are very uncommon among black people, especially those with no caucasian ancestry.

First, one can have blue eyes as a result of a genetic mutation.