DNA is the molecule that carries genetic information from "summary" of El gen / The Gene: An Intimate History by Siddhartha Mukherjee
The gene is the fundamental unit of heredity, a scrap of information passed down through generations. It carries the codes for building and maintaining an organism, a manual for constructing a living being. Central to this manual is DNA, the molecule that encodes genetic information. DNA is a long, double-stranded chain made up of four chemical bases: adenine, thymine, cytosine, and guanine. These bases pair up in a specific way - adenine with thymine, cytosine with guanine - creating a genetic code that carries instructions for all the traits and functions of an organism. The sequence of these bases along the DNA chain forms the genetic code unique to each individual, determining everything from eye color to susceptibility to disease. DNA is...
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