DNA Fingerprinting, X-ray Autoradiograph
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DNA Fingerprinting, X-ray Autoradiograph
The photo shows part of an X-ray (or autoradiograph) of bands of DNA produced by the technique of electrophoresis in an agarose gel. The pattern of these DNA bands is unique to each individual, but some bands are shared by related people, such as a parent & child. DNA fingerprints can be used to prove conclusively whether people are related. The bands in these DNA fingerprints are marked M for mother, C for child, F for father. Both children share some bands with each parent, proving that they are indeed related. The double-helix model of DNA structure was first published in the journal Nature by James D. Watson and Francis Crick in 1953, based upon the crucial X-ray diffraction image of DNA labeled as " Photo 51", from Rosalind Franklin in 1952. Genetic fingerprinting and DNA profiling was developed by Dr. Alec Jeffreys and his team in 1985
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6363353
© DAVID PARKER/SCIENCE PHOTO LIBRARY
Alec Jeffreys Autoradiogram Autoradiograph Child Crick Double Helix Electrophoreisis Family Father Finger Print Franklin Genes Genetic Material Helix Maternal Mother Nucleic Acid Nucleotide Parent Parental Paternal Radiography Test Testing Watson X Ray Bio Chemistry Deoxyribonucleic Acid Genetics
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