Darker skin protects an individual’s vitamin D from intense UV light, which makes them more reproductively successful. Group of answer choices True False
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Darker skin contains more melanin, which provides protection against the harmful effects of intense ultraviolet (UV) light by absorbing and dissipating UV radiation. Show more…
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Anand J.
Evidence suggest that darker skin better protects against sunlight-induced breakdown of folate, which can be harmful to mothers and their developing fetus. Lighter skin, however, can facilitate increased synthesis of vitamin D3, which is important to human health. Based on this information alone, suggest a reason why adaptation of skin colour might be considered imperfect in a given population. Your answer should identify and explain the phenomenon underlying imperfect adaptation. (2 marks; 2-3 sentences)
Jenny W.
In laboratory experiments, light-skinned individuals are more at risk for abnormally low levels of folate (vitamin B) when exposed to strong sunlight than darker-skinned individuals.
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