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Question
Biology
Posted 5 months ago
WHAT affects eye color in humans?
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Answer from Sia
Posted 5 months ago
Answer
Genetics primarily determine human eye color.
Solution
a
Genetic Factors: The amount and type of melanin in the iris, controlled by various genes, are the main determinants of eye color
b
OCA2 and HERC2 Genes: These two genes have the most significant influence on eye color, with the HERC2 gene affecting the expression of the OCA2 gene, which is crucial for the production of melanin
c
Polygenic Inheritance: Eye color is a polygenic trait, meaning it is influenced by multiple genes, which makes the inheritance pattern complex
Key Concept
Genetics and melanin concentration in the iris
Explanation
Eye color is determined by the genetic information inherited from one's parents, which dictates the amount and type of melanin in the iris.
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