Genetic information is passed from one generation to the next from "summary" of El gen / The Gene: An Intimate History by Siddhartha Mukherjee
Genetic information, the code that determines our physical traits, is a remarkable entity that is transmitted from one generation to the next. This information is stored in our DNA, a molecule that carries the instructions for building and maintaining our bodies. The process by which genetic information is passed down is known as heredity, and it has been a subject of fascination and study for centuries. DNA, the molecule that contains our genetic information, is composed of four chemical building blocks called nucleotides. These nucleotides are arranged in a specific sequence that determines our unique characteristics. When an organism reproduces, it passes on a copy of its DNA to its offspring, ensuring that the genetic information is transmitted from one generation to the next....
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