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This edition: The Beginnings: Heredity and Environment





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Episode Details

This lesson closely examines the role of heredity and environment, or nature and nurture, in development. While genes may be the first chapter in a particular story, it is important to recognize the multitude of influences that shape individuals throughout their lives. Students learn about DNA, genes acting in combination, and the effect that the environment can have on genetic expression. The lesson considers how studying the similarities and differences between monozygotic twins has yielded a wealth of information regarding the complex interaction between genes and the environment that influences human development at every age.

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