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Topic 1: Heredity and Reproduction Heredity and Reproduction (Overview) What is heredity? The transmission of traits from one generation to the next. How do children give their offspring similar traits as them? Parents transfer their genes to their offspring. Genes are sections of DNA that contain the code to make proteins. Why do siblings have similar traits? Similar genes result in similar proteins, resulting in similar traits. What are the vehicles by which DNA is transmitted from parent to o