Red Hair Is A Genetic Mutation
Contrary to internet rumors redheads are not going extinct.
Red hair is a genetic mutation. These variations are called genetic mutations. Hair color is primarily genetic and red hair is caused by mutations in the mc1r gene. It s the rarest hair color in the world and with it comes a unique set of health consequences.
The pigment found in redhair that makes it red is called pheomelanin. Both parents must be carriers of the mutated mc1r gene to be able to produce redhead offspring of which there is a 25 chance if they don t have red. Eighty percent of redheads have an mc1r gene variant.
Red hair is associated with fair skin color because low concentrations of eumelanin throughout the body of those with red hair caused by a mc1r mutation can cause both. Red hair is a beautiful genetic mutation. Thanks to one genetic mutation and a few other mysterious causes redheads have different pain tolerances sexual encounters and risks for disease than any other person with a different hair.
In any given species the genetic makeup is uniform across a population. Red hair is a mutation in the human genome usually tracing back to the ancient celtic people of ireland. The gene for red hair also causes an increased sensitivity to sunlight and a reduced sensitivity to anesthesia.
Famous redheads include queen elizabeth i and malcolm x. The genetics of red hair appear to be associated with the melanocortin 1 receptor mc1r which is found on chromosome 16. The mutation has occurred in other parts of the world as well but those with the trait have survived better farther north.
In some areas such as great britain red hair occurs in as much as six percent of the population. This mutation is caused by a recessive allele on chromosome 16. There is a very simple answer to this question is that most people with red hair have a mutant gene known as mc1r.
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