Transgenic tomato genome sequencing. Researcher holding a seedless transgenic tomato above a DNA (deoxyribonucleic acid) autoradiogram of its genome. The bands on the film show the position of the four nucleotide bases from DNA. The sequence of bases make up genes, which encode an organism's genetic information. A gene has been inserted into the tomato plant to prevent the development of seeds. Photographed at the University of Verona, Italy.
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