That can happen because the gene
for blue eye color is recessive, which means that you need two genes for blue eyes to actually have blue eyes.
Because blue eye color is found almost exclusively in people of European descent, Eiberg's team speculates that the mutation traces back to the Neolithic expansion, when people in the Black Sea region migrated to northern Europe 6000 to 10,000 years ago.
Blue eye color in humans may be caused by a perfectly associated founder mutation in a regulatory element located within the HERC2 gene inhibiting OCA2 expression.
The blue eye color may be just as good as green.
Plus, with my white hair, fair skin and
blue eyes the color is really flattering.
am grace have black hair,
blue eye color... am 5 «5 tall..
Blue eye color in humans isn't the result of a blue pigment, but a low concentration of melanin in the stroma of the iris and an effect known as Rayleigh scattering (the same type of light scattering that makes the sky appear blue).
Blue eye color is a disqualification.
However, some cats, particularly all white cats and Siamese cats, do retain
their blue eye color.
Champagne horses are typically born with
a blue eye color that evolves to a hazel or an amber coluor and pink skin that becomes darker and more freckled over time, especially around the eyes and muzzle.
Blue eye color in humans isn't the result of a blue pigment, but a low concentration of melanin in the stroma of the iris and an effect known as Rayleigh scattering (the same type of light scattering that makes the sky appear blue).