1a) When performing classical Sanger or "dideoxy" sequencing, you set up 4 parallel reactions per template to be sequenced from a specific primer, with each of the four reactions containing a different dideoxynucleotide, and then the four reactions were run in a separate, adjacent lanes on a gel. Why couldn't you combine all 4 dideoxynucleotides with the primer and the template and do the whole reaction in one tube, and then run the set of fragments produced by the reaction mixture on a single lane in an acrylamide gel?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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1a) When performing classical Sanger or "dideoxy" sequencing, you set up 4 parallel reactions per template to be sequenced from a specific primer, with each of the four reactions containing a different dideoxynucleotide, and then the four reactions were run in a separate, adjacent lanes on a gel. Why couldn't you combine all 4 dideoxynucleotides with the primer and the template and do the whole reaction in one tube, and then run the set of fragments produced by the reaction mixture on a single lane in an acrylamide gel? 

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