Human skin color - Wikipedia
WEBHuman skin color ranges from the darkest brown to the lightest hues. Differences in skin color among individuals is caused by variation in pigmentation, which is the result of genetics (inherited from one's biological parents ), exposure to the sun, disorders, or some combination thereof.
Human Skin Color Variation | The Smithsonian Institution's …
WEBJan 3, 2024 · Variations in human skin color are adaptive traits that correlate closely with geography and the sun’s ultraviolet (UV) radiation. As early humans moved into hot, open environments in search of food and water, one big challenge was keeping cool.
The Evolution of Human Skin Color | Penn State
WEBUniversal. We inherit our skin color from our ancestors, and so it is obviously a trait that is tied to our biology and genetics. But what is it that brought about such a diversity of human skin colors? And how can knowledge about the natural history of skin inform questions surrounding societal notions of skin color and our health?
The Biology of Skin Color — HHMI BioInteractive Video
WEBJul 20, 2015 · The Biology of Skin Color — HHMI BioInteractive Video - YouTube. biointeractive. 247K subscribers. Subscribed. 9.3K. 1.3M views 8 years ago. Penn State University anthropologist Dr. Nina...
New gene variants reveal the evolution of human skin color
WEBOct 12, 2017 · News. Africa. New gene variants reveal the evolution of human skin color. Some of the mutations responsible for lighter skin in Europeans turn out to have an ancient African origin. 12 Oct 2017. By Ann Gibbons. Share: …
The Science Behind Our Skin Color Variations - Medium
WEBMay 31, 2023. 37. In the vast panorama of human diversity, skin color is one of the most apparent physical differences among individuals. Skin color variations result from an intricate...
Genetic Study Shows Skin Color Is Only Skin Deep
WEBOct 17, 2017 · New Research. Genetic Study Shows Skin Color Is Only Skin Deep. Genes for both light and dark pigmentation have been in the human gene pool for at least 900,000 years. Jason Daley....
The Biology of Skin Color - HHMI BioInteractive
WEBJun 29, 2015 · Description. This film explores the hypothesis that different tones of skin color in humans arose as adaptations to the intensity of ultraviolet radiation in different parts of the world. Our human ancestors in Africa likely had dark skin, which is produced by an abundance of the pigment eumelanin in skin cells.
Adaptation of human skin color in various populations
WEBJun 15, 2017 · Skin color variation is one of the most striking examples of human phenotypic diversity. It is dominated by melanin, a pigmentation located in the base of the epidermis and produced by melanocytes. Melanin has two forms, pheomelanin (yellow-reddish) and eumelanin (black-brown).
WEB• • •Skin color is an easily visible marker of variability. Our lack of body hair and our variable skin color are some of the traits that set us apart from our closest primate relatives. • Wavelengths of light are reflected or absorbed by pigment in …
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