What is DNA?

DNA is a molecule stored in the nucleus of cells, packaged in chromosomes. It is responsible for the diversity among living organisms by determining physical traits and personality. DNA instructs cells to produce specific proteins and can replicate itself, ensuring identical copies are passed during cell division. Its unique double helix structure allows for these functions. DNA consists of four bases: adenine, thymine, cytosine, and guanine, which pair specifically (A with T, C with G) to maintain the sequence during replication. This sequence is crucial for passing genetic information. DNA serves as a blueprint for protein construction, making each organism unique.

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