Is Red Hair Dominant Or Recessive

It is a recessive trait indicating that two copies of the mutation for red hair are necessary for red hair in a person you must inherit a copy from your mother and a copy from yo.

Is red hair dominant or recessive. Dark hair is dominant but your aunt and uncle are likely heterozygous for dark hair with one dominant dark hair gene and one recessive light hair gene. Redheads are thought to be more sensitive to pain too. In the western hemisphere 10 to 15 percent of people use their left hand dominantly.

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. Rather than one or the other hair color is additive meaning the pigment melanin along with a variety of genes determines how dark your hair will be. Red hair is caused by a mutation in the melanocortin 1 receptor.

It is most common in individuals homozygous for a recessive allele on chromosome 16 that produces an altered version of the mc1r protein.