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Chapter Outline
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I. Case Studies of Gene Flow and Genetic Drift
    A. Social Organization and Genetics of South American Indians of the Rain Forest
    B. The Vikings and Irish Population History
II. Case Studies of Natural Selection
    A. Hemoglobin, Sickle Cell, and Malaria
        1. Hemoglobin variants
        2. Distribution of the sickle cell allele and malaria
        3. Effects of culture change on sickle cell frequency
        4. Other relationships with malaria
    B. Blood Groups and Natural Selection
        1. Rhesus blood group
        2. ABO blood group
        3. Duffy blood group
    C. Lactase Deficiency
    D. Skin Color
        1. The biology of skin color
        2. The distribution of skin color
        3. Skin cancer, sunburn, and ultraviolet radiation
        4. The vitamin D hypothesis
        5. Skin color and cold injury
III. Summary
IV. Supplemental Readings


Special Topic: The Biological History of the Ancient Egyptians





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