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Questions and Answers
What factors determine eye color in humans?
What factors determine eye color in humans?
- The concentration of melanin in the iris and the cellular density of the stroma (correct)
- The pigmentation of the iris and the frequency-dependence of light scattering
- The lighting conditions and the presence of other pigments
- The presence of blue and green pigments in the iris
What is the term for the phenomenon similar to Rayleigh scattering that accounts for the blue sky?
What is the term for the phenomenon similar to Rayleigh scattering that accounts for the blue sky?
- Pteri scattering
- Structural color
- Tyndall scattering (correct)
- Melanin scattering
What is the cause of blue, green, and hazel eye colors?
What is the cause of blue, green, and hazel eye colors?
- The lighting conditions
- The scattering of light in the stroma (correct)
- The concentration of melanin in the iris
- The presence of blue and green pigments in the iris
Do blue and green pigments exist in the human iris?
Do blue and green pigments exist in the human iris?
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What is the cause of the brightly colored eyes in many bird species?
What is the cause of the brightly colored eyes in many bird species?
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