DNA sequence

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DNA sequence

DNA autoradiographs. Banded DNA sequences or genetic " fingerprints" overlapping on a computer screen. The bands represent the sequence of bases that form the genetic code in DNA (deoxyribonucleic acid) molecules. To make an autoradiograph a DNA sample is cut into fragments by an enzyme and marked with radioactive tags. The fragments are then placed in a gel and separated by electrophoresis, the application of an electric charge. Placing a radiographic film on the gel produces a radiograph of the resulting DNA bands, which can be analysed and compared for similarity to other DNA samples

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6391291

© TEK IMAGE/SCIENCE PHOTO LIBRARY

Analysis Banded Bio Technology Computer Screen Dna Research Dna Sequencing Double Helix Fingerprints Genetic Processed Processing Sequences Bio Chemistry Deoxyribonucleic Acid Genetics Macintosh

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