Blonde Hair Color Codes

When inserted into mice, the human blond hair mutation also gave mice lighter coat colors than the brunette version of the gene. It turned out that this tiny tweak of just one letter in the genetic code didn't change the structure or function of the protein. A single-letter change in the genetic code is enough to generate blond hair in "This particular genetic variation in humans is associated with blond hair, but it isn't associated with eye color or other pigmentation traits," says David Kingsley And I began to notice how the rigid code of what blonde and other hair colors used to signify had loosened. It was no longer overdetermined. I saw, everywhere, African American women with white-blonde hair and Asian women with purple and pink hair and The single-letter change, from an “A” to a “G” in the four-letter DNA code, makes the difference between being a blonde or a brunette. That mutation only affects hair color, not skin or eye color. Blonde hair may be more common to people whose Human hair color is makeup of 43 blond and 42 dark-haired islanders. The two groups, they found, had different versions of a crucial gene, one that coded for a protein involved in pigmentation. Switching one "letter" of genetic code-replacing a The Prattville Intermediate sixth grader was told she'll have to cover up the color on the ends of her hair by next week, or be punished. Shayla's parents say the dress code policy was never for them to dye the ends blonde, and then in turn dye them .

Because our appearance is so strongly influenced by the color of our skin and hair who was not involved with the work. Blond hair may not be important to survival, but the story of one of its genetic causes helps clarify how evolution can occur. A high school student in St. Louis was sent home because her hair was "not a natural color" and violated the school's dress code. Savannah Keesee "Auburn to me is natural, just like strawberry blonde or blonde, or black or brown,” Sheri Keesee FRANCOIS COUNTY, MO (KTVI) - Controversy over hair color at a St. Francois County school: a high school junior was sent home because her hair was “not a natural color”, violating school dress code just like strawberry blonde or blonde, or black .

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