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Is there any genetic advantage to having red hair?

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Redheads also boast a secret genetic weapon which enables them to fight off particular deadly illnesses more efficiently than others - they can produce their own Vitamin D. People with ginger hair can't absorb sufficient Vitamin D due to low concentrations of eumelanin in their body. read more

Red hair is a recessive genetic trait caused by a series of mutations in the melanocortin 1 receptor (MC1R), a gene located on chromosome 16. As a recessive trait it must be inherited from both parents to cause the hair to become red. Consequently there are far more people carrying the mutation for red hair than people actually having red hair. read more

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No, Redheads Are Not In Danger Of Going Extinct
Source: buzzfeed.com

Quote

I think nobody would claim that random genetic drift is capable of producing adaptation, that is to say the illusion of design. Random genetic drift can't produce wings that are good at flying, or eyes that are good at seeing, or legs that are good at running. But random genetic drift probably is very important in driving evolution at the molecular genetic level.
Source: quotemaster.org