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ROSENFELD IMAGES LTD / SCIENCE PHOTO LIBRARY ROSENFELD IMAGES LTD / SCIENCE PHOTO LIBRARY
Gene cloning. Pipetting a solution containing a bacterial culture from a vessel in a multi-well sample tray into a petri dish. The bacteria are used for gene reproduction. Their growth rate is controlled by enzymes and salts in the solution. Cloned or recombinant Deoxyribonucleic Acid (DNA) is produced by fragmenting genes and attaching individual DNA fragments to the genes of rapidly reproducing DNA species such as bacteria. If a fragment of the DNA being studied is inserted into the genes of the bacteria, it will be reproduced when the bacterium cell divides. As the bacteria divide rapidly, many copies of the fragment will quickly be produced in this cloning procedure.
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