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Unformatted text preview: Anthropology 12: Exercise 2 Name_____________________________ DUE February 22 Section____________________________ 1. (4 pts) Simple Mendelian Traits We all know that what we look like is inherited, but most of our traits are inherited in a complex manner, with at least several genes involved. Traits like hair and eye color especially, are often treated as simple characters but are inherited in a much more complex fashion. Only a few characters have been identified in humans which are inherited in a simple Mendelian fashion. Some of these which are easily observable are listed below. If you need an illustration of one of these use the internet to help you out. Earwax type. There are two kinds of earwax. The more common is yellow and sticky while the other is gray and dry. Sticky is dominant over dry. About 90% of European populations have sticky earwax while this occurs in much lower frequencies in other areas of the world (in northern China, sticky earwax is seen in less than 5% of the population). Dont know what the adaptive significance of this trait is, although Southeast Asian water buffaloes are reported to have an aversion to the smell of Europeans.......
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