Genes are the basic units of heredity, made up of DNA, which carry the instructions for the development, functioning, and traits of living organisms. They are passed from parents to offspring through reproduction, ensuring that traits such as eye color, height, or even susceptibility to certain diseases are inherited. Each individual inherits a unique combination of genes from their parents, which determines their physical characteristics and can influence behavior and health. This process of inheritance is fundamental to the diversity and continuity of life across generations.
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