Question

different in colour of the eye is caused by the difference in​

Answer 1

Answer:

Heterochromia of the eye is caused by variations in the concentration and distribution of melanin, the pigment that gives color to the skin, hair, and eyes. The word “heterochromia” is derived from ancient Greek where “heteros” means different and “chroma” means color.

Answer 2

the pigment in iris...

I guess so that's for grade 8 students