DNA sequencing. Male technician examining bands of DNA (deoxyribonucleic acid) from a hair bulb. The bands are glowing pink under ultraviolet light. An autoradiograph,a photograph of a radioactively- tagged DNA sequence,is seen on the monitor at bottom right. The fluorescing DNA has been separ- ated into bands by electrophoresis,the applicat- ion of an electric charge. DNA contains the genetic hereditary material. Here,the rows of sequenced DNA form irregularly spaced bands. The bands represent the positioning of the four bases in the DNA molecule which make up each person's unique genetic code. Photographed at the Laborat- oire de L'Oreal in Clichy,near Paris,France | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Goetgheluck, Pascal |
Taille de l’image : | 5040 px × 3543 px |
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Property Release : | Non requis |
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