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Question:

Is there really more brown eyes in the world than blue eyes?


Best Answer - Chosen by Asker:

althought this is a bit simplistic, blue eye color a result of two recessive genes - in comparision to brown eye color which is a dominant gene - such that in the possible combinations

B=brown gene b=blue gene

BB = Brown eyes
Bb = Brown eyes
bB = Brown eyes
bb= Blue eyes

so that brown eyes are more common, at least in your lab experiment or if mating was truly random.