50.2 MB (1.5 MB compressed)
3422 x 5132 pixels
29.0 x 43.4 cm ⏐ 11.4 x 17.1 in (300dpi)
KEN HACKMAN / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY KEN HACKMAN / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY
Potato DNA testing. Close-up of a researcher loading potato DNA (deoxyribonucleic acid) onto an agarose gel, in order to test for the presence of experimental genes. This is being done in preparation for electrophoresis, which uses electricity to separate the DNA into fragments, allowing the genetic sequence to be read.
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