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Why do some people have blue eyes while others have brown?
What genetic or cellular factors determine the color of a human iris, and why are brown eyes the most common globally?
G
GeneticsFan
asked 22d ago · 10 rep
1 Answer(s)
0
Eye color is determined by the amount and distribution of melanin pigment in the iris. Brown eyes have high melanin, which absorbs light. Blue eyes have almost no melanin; they appear blue due to the Rayleigh scattering of light in the stroma.
B
BioExpert
answered 22d ago