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DNA Laddering
Fragments of DNA move on a slab of agarose gel. Voltage is applied causing the bands to migrate toward the positive electrode center resulting in bands The size of target fragments allows

them to be measured.The size and how they line up on the aragose gel allow for identification of population frequency.

DNA laddering is the result of a process used to separate fragments of DNA through a process called gel electrophoresis.The laddering looks like linear bands that show similarities in positions of DNA fragments.One method of making the bands visible after the electrophoresis process is to use a dye or stain that under ultraviolet light.

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