How Common Is Red Hair
Red hair occurring in just 1 to 2 percent of the population is the least common.
How common is red hair. Blue eyes are similarly uncommon and they may. 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. Red hair is a beautiful genetic mutation.
One study found that the red hair green eyes genetic combination is one of the rarest at 0 14. Nowadays red hair is found in all three celtic branches although it is most common in the r1b l21 branch. Red hair and green eye genes are simply not as common in populations as other hair and eye colors.
The mc r gene that can cause red hair codes for a receptor that is related to a family of receptors involved in perceiving pain which may explain why mutations in mc1r would increase pain perception. Red hair or ginger hair occurs naturally in one to two percent of the human population appearing with greater frequency two to six percent among people of northern or northwestern european ancestry and lesser frequency in other populations.
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