ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Genetic code. Computer artwork of a male figure overlaid with the letters of the genetic code. The genetic code is made up of the sequence of four bases in DNA (deoxyribonucleic acid). These are adenine (A), thymine (T), guanine (G) and cytosine (C). The bases form the links between the two strands in DNA's double helix. DNA is found in all living things and controls growth and development.
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