Origin Of Blonde Hair
And of course many of us know the tale of goldilocks and the three bears.
Origin of blonde hair. The blonde bombshell is one of the most notable and consistently popular female character types in cinema. The extensive study on the genetic mutation was carried out by researchers at three japanese universities. By stephanie pappas live science contributor 03 may 2012. Blonde babies were more likely to be taken from their cribs and switched with changelings.
Especially in the west where the highest concentration of. Babies may be born with blond hair even among groups where adults rarely have blond hair although such natural hair usually falls out quickly. Many showbiz stars have used it to their advantage including jean harlow marlene dietrich marilyn monroe jayne mansfield brigitte bardot and mamie van doren. In blondes the switch reduces the activity of a gene called kit ligand which is associated with hair colour by 20 percent as compared to brunettes.
This pigment deficiency is what gives blondes their hair color. Blond hair is most common in light skinned infants and children so much so that the term baby blond is often used for very light colored hair. This is not the case. The origin of mysterious dark skinned blonds discovered.
Genetic history of blondes. The origin of blonde hair red hair in humans seems to be still a mystery we know from recent reports that it is caused by a genetic mutation in the kitgl gene however there hasn t been any scientific reports published regarding the origin of the kitgl mutation. The origin of the gene giving rise to blond hair color has been traced back to the last ice age 11 000 years ago. A genetic mutation that codes for the blond hair of northern europeans has been identified.
The single mutation was found in a long gene sequence called kit ligand kitlg and is present in about. The research concluded that the genetic mutation occurred around 9 000 bc as a result of various environmental and evolutionary factors. And young blonde women were often enticed to join the land of the fairies. So if all blonde people shared a common ancestor then the same dna difference should lead to blonde hair.
Blond hair has only been around for 11 000 years or so but in that evolutionarily short time it s made quite a mark on human culture. Note the it seems the genetics of hair color is still pretty murky in europeans so drawing any strong conclusions is still a. Natural blonde hair is caused by a lack of a pigment called eumelanin.