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Is Kmtian wavy and straight hair the only trait not shared with Ancient Nubians?
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[QUOTE]Originally posted by the lioness,: [QB] [QUOTE]Originally posted by Swenet: [qb] Yes, that may be what TP was talking about--hair density. But when people mention the EDAR gene in relation to East Asians, they're talking about hair strand thickness and a larger follicle size. [IMG]http://genetics.thetech.org/sites/default/files/follicleShape.gif[/IMG] [/qb][/QUOTE]- Hair strand thickness IS folicle size, that is not "and" it's the same thing -A distinguishing feature of East Asian hair is it's SHAPE which determines texture : straight, wavy, curly, tight coil East Asian hair has a circular cross section and that makes it's shape straight cross section strand SHAPE determines TEXTURE -The third factor is DENSITY, not shown on the chart, and density here is not determined by TEXTURE (STRAND SHAPE) Density means how many of these individual strands are clustered in a given area of the scalp So if someone says a person going bald has "thinning" hair it can lead to confusion bcause they are really talking about density. The balding person could have thick hair (individual strand) or thin hair (individual strand) yet be losing density the same way So to be clear in a scientifc dsicussion the following could be used Texture Type (straight, wavy, curly, spiral coiled) Folicle size (large 'coarse' strand or samll 'fine' strand) Density (high or low) ________________ by excluding "thick" and "thin" as terms there is less room for unclearity [/QB][/QUOTE]
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