Dirty Blonde Hair Gene

Genetics plays a huge role in just how rare some of these combinations are.

Dirty blonde hair gene. A Pierce Brosnan gene which causes people to develop freckles brown hair and blue eyes has been discovered by scientists. Their blonde hair all seems to share a common genetic difference. Many whites of Northern Western and Eastern European ancestry have this.

Now lets take a look at how we can use genetics to guess your babys. Red hair is caused by a mutation in whats known as the MC1R gene Petra explained. Eumelanin influences brown and black.

Pheomelanin infuses hair with red and yellow pigmentation. A variation of the TYRP1 gene typically responsible for influencing pigmentation in humans is what causes blond hair in Solomon Islanders. So the most likely explanation is that they all share the same blonde ancestor.

The gene for red hair is recessive so a person needs two copies of that gene for it to show up or be expressed. A Brownblonde gene is not the only gene pair present in humans. Rare Hair and Eye Color Combinations.

Another gene exists a non-redred pair. They are also often born with blue eyes and pale skin. The amount of brown melanin in the hair is determined by the polygenic method.

But what tops the list is red hair and blue eyes. Four different gene pair s determine how brown the hair is. Depending on how these genes combine the color of the hair.