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Eye color is an inherited trait determined by multiple genes. [14] [15] These genes are sought by studying small changes in the genes themselves and in neighboring genes, called single-nucleotide polymorphisms or SNPs. The total number of genes that contribute to eye color is unknown, but there are a few likely candidates.
Categorization of racial groups by reference to skin color is common in classical antiquity. [7] For example, it is found in e.g. Physiognomica, a Greek treatise dated to c. 300 BC. The transmission of the "color terminology" for race from antiquity to early anthropology in 17th century Europe took place via rabbinical literature.
This principle emphasized harmony between what were considered the five major ethnic groups in China, as represented by the colored stripes of the Five-Colored Flag of the Republic: the Han (red); the Manchus (yellow); the Mongols (blue); the Hui (Muslims) (white); and the Tibetans (black).
Officially recognized ethnic groups receive or have received certain benefits over Han Chinese under the regional ethnic autonomy system, including affirmative action, exemptions from the one-child policy, designated seats in political organs and government support to preserve their culture.
Historical distribution map of linguistic groups in China. Han Chinese people, the largest ethnic group in China, are often wrongly referred to as "Chinese" or "ethnic Chinese" in English. [14] [15] [17] The Han Chinese also form a majority or notable minority in other countries, and they comprise approximately 18% of the global human ...
With brown eyes taking an overwhelming lead, all of the other eye colors have lower percentages. According to WorldAtlas , 8-10 percent of the world's population have blue eyes.
Melanin is the protein that creates skin, eye and hair color. More melanin means darker eyes, hair or skin. The color of the melanin in the eyes is determined by three other genes, EYCL1, 2 and 3 ...
Though the Miao themselves use various self-designations, the Chinese traditionally classify them according to the most characteristic color of the women's clothes. The list below contains some of these self-designations, the color designations, and the main regions inhabited by the four major groups of Miao in China: