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Generally, the East Asian, Central Asian and Native American population has straight hair with a very thick cuticle layer [5] and South Asians have thick, wavy or curly hair, [6] while the general hair type seen in black African hair is thick, curly and dense with more hair growing from the head. The curly quality comes from the shape of the ...
The most studied black hair gene is MC1R which causes the body to produce a protein called melanocortin. [3] This protein causes hair follicles to produce a type of melanin pigmentation called eumelanin. [3] Black hair has the highest concentration of this pigmentation with brown, blonde and red hair following behind. [3]
The physical appearance of each type is briefly described, including colour adjectives referring to skin and hair colour: rufus "red" and pilis nigris "black hair" for Americans, albus "white" and pilis flavescentibus "yellowish hair" for Europeans, luridus "yellowish, sallow", pilis nigricantibus "swarthy hair" for Asians, and niger "black ...
[9]: 161, 194 Thus, in terms of physical appearance, the average Judean of the time would have likely had brown or black hair, honey/olive-brown skin, and brown eyes. Judean men of the time period were on average about 1.65 metres or 5 feet 5 inches in height.
In 21st-century America, Burke suggests the term "Black Irish" has been used in America to stress the idea that Irish people (and therefore Irish-Americans) are exclusively white. By stressing the idea that "Black Irish" can only refer to white Irish people with black hair, Irish people of Black racial origins are marginalised. [1]
The Fischer–Saller scale, named after Eugen Fischer and Karl Saller is used in physical anthropology and medicine to determine the shades of hair color. The scale uses the following designations: A (very light blond), B to E (light blond), F to L (), M to O (dark blond), P to T (light brown to brown), U to Y (dark brown to black) and Roman numerals I to IV and V to VI (red-blond).
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Researchers have investigated the relationship between race and genetics as part of efforts to understand how biology may or may not contribute to human racial categorization. Today, the consensus among scientists is that race is a social construct, and that using it as a proxy for genetic differences among populations is misleading. [1] [2]