Eye color is determined by the amount of melanin in the iris, with more melanin leading to brown eyes and less resulting in blue or lighter colors. According to MedlinePlus, eye color is controlled by multiple genes, not just one, making inheritance more complex than simple dominant and recessive patterns. This is why eye color can vary widely, even within the same family.
link : https://medlineplus.gov/genetics/understanding/traits/eyecolor/
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