Pigment in the iris, the color of which is gentically detemined.
The level of melanin in the eye changes.
It is not just one gene that causes the color of eyes. Eye color genetics is complicated and it takes many genes to create an eye color. Regardless of the parents' and children's eye color any combination can occur even for the same eye color.
Melanin. The amount and type of pigment in the iris of the eye causes the eyes color.
Melanin. The type and amount of pigment in the iris of the eye causes the eye color.
Melanin. The amount and type of pigment in the iris of the eye causes the eyes color.
The iris of the eye can change color with age. There are some diseases that can change the color of your eye. You should be having regular eye checkups anyway so ask your eye doctor.
Melanin. The type and amount of pigment in the iris causes the eyes color.
Melanin. The amount and type of pigment in the iris of the eye causes the eyes color.
Eye floaters are typically dark or shadowy in color and appear in the eye due to tiny bits of debris or clumps of cells floating in the vitreous humor, the gel-like substance that fills the eye.
No he is not, but Apl.D.Ap suffers from a disease that causes constant eye movement.
color blindness
Two genes from each parent