Heredity & Environment
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When conducting an in-depth psychological analysis of the interaction between heredity and environment and their relative effects in the process of human development, various twin and adoption studies reveal that genetic factors have an overwhelmingly strong influence on physical characteristics (such as height, eye and hair color), while environmental enrichment and the variability of socio-cultural stimuli play a significant role in intelligence quotient (IQ) and personality traits. In this context, from the perspective of modern developmental psychology and epigenetics, which of the following statements is most authoritatively true?
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Detailed Explanation
Both heredity and environment play a central role in human development through their interaction. According to developmental psychologists, development is neither solely the result of heredity nor solely of the environment, but rather an interactive product of both. Genetic makeup provides potential to an individual, while the environment determines the limits and opportunities for the actualization of those potentials.
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