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Eye color is an example of phenotypic variation, which refers to the observable traits of an organism resulting from the interaction of its genetic makeup (genotype) and environmental factors. This variation is primarily controlled by multiple genes, with the most significant being OCA2 and HERC2, influencing the amount and type of pigments produced in the iris. The range of eye colors, such as brown, blue, green, and hazel, illustrates the complex inheritance patterns and polygenic nature of this trait.

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2mo ago

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