Examlex
Wallerstein is known for his analysis of core,peripheral,and semiperipheral nations.
Melanin
A pigment found in skin, hair, and eyes that determines color and provides protection against ultraviolet light.
Skin Color
The pigmentation of a person's skin, primarily determined by genetic inheritance and exposure to sunlight, which can vary significantly among individuals and populations.
Thrifty Genotype
A hypothesis suggesting that certain genotypes, which efficiently store fat during periods of abundance, were advantageous for survival during times of scarcity but may predispose individuals to diabetes and obesity in modern times.
Human Variation
The genetic, physical, and behavioral differences among individuals and populations.
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