The genetics of eye color are more complicated than previously thought. Color is determined by multiple genes. The genetics of eye color are so complex, that almost any parent-child combination of eye colors can occur.
A phenotype is a characteristic such as eye color for an organism. It includes observable characteristics.
eye color, hair type, skin color, etc.
This could be called a trait (inheritance).
This could be called a trait (inheritance).
This could be called a trait (inheritance).
This could be called a trait (inheritance).
This could be called a trait (inheritance).
This could be called a trait (inheritance).
This could be called a trait (inheritance).
One example of a characteristic that is determined by genes is hair color.
Eye color is a physical change, not a chemical change. Eye color is determined by the amount and distribution of melanin in the iris, which is a physical characteristic that can change over time but does not involve any chemical reactions.
This could be called a trait (inheritance).