Skin color (T)Version en ligne Questions from the movie "The Color of Human Skin "by HHMI par Jorge Arizpe 1 The greater the latitude, the _______ intensity of the UV radiation. a Higher b Lower c Equal d Depends on the weather 2 UV radiation varies with latitude due to _______ a Human skin color b Closeness with the sun c Angle of the solar rays d Weather of each region 3 Pigment that gives its color to the human skin a Melanin b Melanocyte c Folate d Vitamin D 4 The clearer the human skin, the ________ its reflectance. a Depends on the country b Equal c Higher d Lower 5 The risk of skin cancer is not a selective pressure of skin color because this disease occurs ______ of reproductive age a After b Before c During 6 In evolution, _________ pressure is any cause that reduces the reproductive success of a population a Atmospheric b Selective c Social d Natural 7 Eumelanin is responsible for a _____ coloration a Albino b Red- Yellow c Black or Brown d Its not related 8 Pheomelanin is responsible for a _____ coloration a Albino b Red - Yellow c Black or Brown d Its not related 9 With intense exposure to the sun, folate level _________ a Its not related b Stays the same c Increases d Decreases 10 When living in high latitudes (for example, Canada) which population is less likely to synthesize an adequate level of vitamin D a Light skin b Very dark skin c Light brown skin d Dark brown skin 11 Currently the concept of race has a _______ foundation a Biologic b Cultural c Evolutionary d Depends on each person 12 Currently scientists prefer to talk about human ______ with certain characteristics than races. a Tribes b Categories c Species d Populations
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