CHRISTIAN DARKIN / SCIENCE PHOTO LIBRARY CHRISTIAN DARKIN / SCIENCE PHOTO LIBRARY
Genetic modification. Conceptual computer artwork of a DNA (deoxyribonucleic acid) molecule with scaffolding for maintenance and repair. This could represent the repair of damaged DNA (such as in radiation-induced mutations or inherited disease), the maintenance of healthy DNA to prevent ageing- related diseases, or the modification of DNA. This last application is called genetic engineering, and could be applied to improve human bodies. This is already done with plants and animals. DNA is a long, helical molecule. Two intertwining strands are linked by the nucleotide bases on the strands (the horizontal struts). The sequence of these nucleotide bases forms the genetic code.
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