ANTHRO 128B Lecture Notes - Lecture 2: Melanin, Sex Organ, Dutee Chand
17 Jul 2018
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Anthro 128b race, gender, science -- lecture 2 . ~amount of melanin in skin determine darker skin. +living someone less uv skin is dark = not produce enough vitamin d. ~not big deal if you eat enough vitamin d. Gene with light skin in europeans selected recently. Higher pressure to select for lighter skin when diet changes. No one race that everyone in race has. No trait that exist in one area of world. Biological variation is results of complex forces of natural selection, gene flow, etx. Culture shapes way we see, interpret, experience reality (why is race so obvious?) +represent how human race has migrated and mixed. ~notice skin color before notice any number of other variation. +more genetic variation within racial groups than between them. ~humans are really genetically similar to each other despite our physical. +humans have existed longer in african area than anywhere else in the world.
