Stained and fluoresced DNA gel

Stained and fluoresced DNA gel

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This image is part of the feature 50 Years Of Genetics Research


Caption: DNA gel analysis. Researcher examines an agarose gel containing DNA fragments using Ultra-Violet (UV) light. The DNA fragments have been stained with ethidium bromide and are seen as fluorescent violet bands on the gel (at lower right). The researcher is wearing a mask to protect his face from the UV light and gloves to protect his hands from the highly carcinogenic ethidium bromide. Agarose gels are a routine way in which fragments of DNA are separated by size. Samples containing various sized fragments are separated within a gel using an electric current. Such techniques are used during DNA fingerprint analysis and when isolating particular genes.

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Keywords: agarose gel electrophoresis, biochemistry, biotechnology, dna lab, dna mapping, dna research, dna stain, double helix, electrophoresis, electrophoresis gel, ethidium bromide, ethidium dna stain, fluorescence, genetic, genetics, laboratory, uv light

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