0_Wizard
I have red hair. Do you?
Red hair (or ginger hair) occurs naturally in 1–2% of the human population.
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Red hair
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Red hair
Red hair (or ginger hair) occurs naturally in 1–2% of the human population. It occurs more frequently (2–6%) in people of northern or western European ancestry, and less frequently in other populations. Red hair appears most commonly in people with two copies of a recessive allele on chromosome 16 which produces an altered version of the MC1R protein. Red hair varies in hues from a deep burgundy or bright copper (reddish-brown or auburn) through to burnt orange or red-orange and strawberry blond. It is characterized by high levels of the reddish pigment pheomelanin and relatively low levels of the dark pigment eumelanin.
Human hair color
Hair color is the pigmentation of hair follicles due to two types of melanin: eumelanin and pheomelanin. Generally, if more eumelanin is present, the color of the hair is darker; if less eumelanin is present, the hair is lighter. The darker a person's natural hair color is, the more individual hair follicles they have on their scalp. Levels of melanin can vary over time causing a person's hair color to change, and it is possible to have hair follicles of more than one color on the same person. Particular hair colors are associated with ethnic groups. Gray or white hair is associated with age. The Fischer–Saller scale, named after Eugen Fischer and , is used in physical anthropology and medicine to determine the shades of hair color.
Melanocortin 1 receptor
The melanocortin 1 receptor (MC1R), also known as melanocyte-stimulating hormone receptor (MSHR), melanin-activating peptide receptor, or melanotropin receptor, is a G protein–coupled receptor that binds to a class of pituitary peptide hormones known as the melanocortins, which include adrenocorticotropic hormone (ACTH) and the different forms of melanocyte-stimulating hormone (MSH). MC1R is one of the key proteins involved in regulating mammalian skin and hair color. It is located on the plasma membrane of specialized cells known as melanocytes, which produce the pigment melanin through the process of melanogenesis.
Ginger Kids
"Ginger Kids" is the eleventh episode in the ninth season of the American animated television series "South Park". The 136th episode of the series overall, it first aired on Comedy Central in the United States on November 9, 2005. The episode was written and directed by series co-creator Trey Parker. It caused controversy after its ironic premise was misunderstood by people who acted violently against redheads. In the episode, Cartman suffers from a mysterious and sudden onset of Gingervitus. Sick and tired of being ridiculed for his red hair, light skin and freckles, he rallies all the ginger kids everywhere to fight against discrimination and rise up and become the master race they are intended to be.
Introduction to genetics
Genetics is the study of genes—what they are, what they do, and how they work. Genes inside the nucleus of a cell are strung together in such a way that the sequence carries information: that information determines how living organisms inherit various features (phenotypic traits). For example, offspring produced by sexual reproduction usually look similar to each of their parents because they have inherited some of each of their parents' genes. Genetics identifies which features are inherited, and explains how these features pass from generation to generation. In addition to inheritance, genetics studies how genes are turned on and off to control what substances are made in a cell—gene expression; and how a cell divides—mitosis or meiosis.
Morsum
Morsum (North Frisian: "Muasem") is a village on the North Sea island of Sylt in the district of Nordfriesland in Schleswig-Holstein, Germany. Today, it is an "Ortsteil" of the "Gemeinde Sylt". Morsum is located close to the scientifically important geotope and to the beginning of the Hindenburgdamm linking Sylt with the mainland. Morsum (North Frisian: "Muasem") derives from "settlement of Mar". Morsum was first mentioned in a document of 1462 ("Zinsbuch" of the "Bistum Schleswig"). Until the 19th century, it was the most populous village on Sylt. In 1695, Morsum had 118 taxable dwellings. A school house was built in 1705.
List of Monster High characters
Mattel's fashion doll franchise "Monster High" features a variety of fictional characters, many of whom are students at the titular high school. The female characters are classified as Ghouls and the male characters are classified as Mansters. The characters are generally the sons and daughters, or related to monsters that have been popularized in fiction. The franchise's official website identifies six of the characters as Original Ghouls. In addition to the listed Ghouls and Mansters, there are other characters who have been introduced in the franchise's related media including the web/video and book series.