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Why are brown eyes more common?

Best Answers

The iris is made up of two layers of muscle and other kinds of cells. In most people, the back layer has at least some brown pigment in it, even if their eyes d. read more

Within about 12 months, cells will begin to produce melanin, and as more melanin builds up in the iris, eye color may darken. Brown Eyes Are More Common in Certain Places. High levels of melanin in the eyes, hair and skin help protect people from the sun’s damaging rays. That explains why brown eyes occur more frequently in the hotter climates of Africa and Asia than in Europe. In Iceland, brown eyes are in the minority. read more

in my opinion, may be as we see that the brown eyes can receipt more light spectrum and mostly distribute in equator region, as this region is the best area to live, so the people with brown eyes genetic have more growth/birth so it is seem as the most common eye color. read more

Brown eyes are more common because It is the dominant trait, this means the genes for brown eyes only has to be inherited from one parent while the genes for lighter colored eyes like blue and green requires genes from both parents. read more

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