PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY
Electrophoresis genetic analysis. Results of the analysis of DNA (deoxyribonucleic acid) samples with an electrophoresis device. The electrophoresis device is at right. The results are on the screen at left. Electrophoresis uses an electrical current to separate the nucleotide bases in a sample of DNA based on their size and charge.
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