LAWRENCE LAWRY / SCIENCE PHOTO LIBRARY LAWRENCE LAWRY / SCIENCE PHOTO LIBRARY
Genetic research using a DNA (deoxyribonucleic acid) autoradiogram. The bands (black) of the autoradiogram reveal the genetic data encoded in a sample of DNA. The bands correspond to nucleotide bases found in DNA, and the banding pattern shows the sequence of the bases. It is this sequence that forms the genetic code. DNA is a fundamental molecule that controls the development and functioning of every living organism.
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