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Why is folate the link between skin color and evolutionary success?

A. Folate is broken down by UV radiation, and melanin in skin blocks the breakdown of folate, preventing birth defects.
B. Folate is lacking more in the diet of people in equatorial regions, and lack of folate causes birth defects.
C. Folate is required for making melanin in skin.

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Final answer:

The connection between folate, skin color, and evolutionary success is intricate due to the protective role of melanin against UV radiation.


Explanation:

Folate plays a crucial role in the relationship between skin color and evolutionary success due to its vulnerability to UV radiation. Melanin in skin acts as a shield against UV radiation, preventing the breakdown of folate and reducing the risk of birth defects.

The geographic distribution of skin color is intricately linked to UV exposure, with darker skin being advantageous in high UV regions to protect folate levels. Conversely, lighter skin in low UV regions allows for efficient vitamin D production, essential for bone health and the immune system.


Learn more about Skin color and folate relationship in human evolution here:

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