Scientists conventionally divide human variation into which two components?

Question

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Human variation is conventionally divided into genetic and environmental components. Genetic variation refers to differences in DNA sequences among individuals, while environmental variation is shaped by differences in lifestyle, diet, exposure to toxins, and other aspects of the environment. Cultural variation refers to differences in behavior, beliefs, and practices that are learned and transmitted from one generation to the next, and is considered a subset of environmental variation. Phenotypic variation refers to differences in observable traits, which can result from both genetic and environmental factors.

Scientists Conventionally Divide Human Variation into Which Two Components