Having genes that give you red hair, pale skin and freckles increases your risk of developing skin cancer as much as an extra 21 years' exposure to the sun, researchers said on Tuesday. Their study found gene variants that produce red hair and freckly, fair skin were linked to a higher number of mutations that lead to skin cancers. The researchers said even people with one copy of the crucial MC1R gene - who may be fair-skinned but not have red hair - have a higher risk.
Having red hair is something I'm very proud of, despite the negative comments I get from close-minded people. If this is the first time you have ever considered that there are people who hate redheads just because they are redheads, then it is already quite apparent that you are not a redhead. Being a redhead is a unique experience.
Fiery locks, freckles and fair skin is often a result of a gene mutation in the melanocortin 1 receptor or MC1R, and is seen in about one to two per cent of the global population. It occurs when both parents carry the receptive gene, even if they don't have red hair themselves, and is historically most common in climates where there is little harmful sun exposure. In Ireland and Scotland, about 35 per cent of people carry the gene and roughly 10 per cent have red hair, leading to the trait often being associated with Celtic origins.
And when you meet a red head with blue eyes, you are looking at the rarest colour combination of all for human beings. Around 17 per cent of people have blue eyes, and when combined with per cent having red hair, the odds of having both traits are around 0. The reason these looks are so unusual is because they are the result of two different sets of DNA instructions, or mutations, happening in the same person, explains Professor Mark Elgar, an evolutionary biologist from the University of Melbourne.
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February 7, For every people in the world, only one or two will have red hair. And when you meet a red head with blue eyesyou are looking at the rarest colour combination of all for human beings.
Red hair or ginger hair occurs naturally in one to two percent of the human populationappearing with greater frequency two to six percent among people of Northern or Northwestern European ancestry and lesser frequency in other populations. It is most common in individuals homozygous for a recessive allele on chromosome 16 that produces an altered version of the MC1R protein. Red hair varies in hue from a deep burgundy or bright copperor auburnto burnt orange or red-orange to strawberry blond.
If you're contemplating whether you can pull off red hair, just go ahead and stop right there. You heard it here first: It doesn't matter if you're the fairest of fair or melanin-rich — there's a fiery hue out there that will work for you. And one that will earn you oodles of compliments to boot.
Besides the obvious similarity as heads-of-state, all three had red hair. Hair color ranges from platinum blond to ebony, due to levels of pigments produced by specialized cells called melanocytes. Those with dark hair have cells that produce a pigment called eumelanin, and those with blond or red hair have cells that produce pheomelanin.