A cloned Bam HI DNA fragment, 3.0 kb long, was isolated in preparation for sequence determination. First, a map of restriction endonuclease cleavage sites had to be prepared. Cleavage by each of the indicated enzymes generated fragments of the sizes shown on the three agarose electrophoresis gel figures below; the gels are running from top to bottom. On the diagram below those, show the relative positions of EcoR I and Hpa II cleavage sites and the distances (in kb) between them. Explain your reasoning – is your placement of the cleavage sites the only one that will work?

Human Anatomy & Physiology (11th Edition)
11th Edition
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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A cloned Bam HI DNA fragment, 3.0 kb long, was isolated in preparation for sequence determination. First, a map of restriction endonuclease cleavage sites had to be prepared. Cleavage by each of the indicated enzymes generated fragments of the sizes shown on the three agarose electrophoresis gel figures below; the gels are running from top to bottom. On the diagram below those, show the relative positions of EcoR I and Hpa II cleavage sites and the distances (in kb) between them. Explain your reasoning – is your placement of the cleavage sites the only one that will work?

Objective: Using DNA fragment length and other techniques to deduce the placement of
cleavage sites and replication centers.
1. A cloned Bam HI DNA fragment, 3.0 kb long, was isolated in preparation for sequence
determination. First, a map of restriction endonuclease cleavage sites had to be
prepared. Cleavage by each of the indicated enzymes generated fragments of the sizes
shown on the three agarose electrophoresis gel figures below; the gels are running from
top to bottom. On the diagram below those, show the relative positions of EcoR I and
Hpa II cleavage sites and the distances (in kb) between them. Explain your reasoning -
is your placement of the cleavage sites the only one that will work?
ECORI
BamHI
1.7КВ
0.9KB
0.4KB
ECORI
Hpall
-3.0kb-
1.2KB
0.9KB
10.5KB
0.4KB
Hpall
BamHI
1.6KB
1.4KB
Transcribed Image Text:Objective: Using DNA fragment length and other techniques to deduce the placement of cleavage sites and replication centers. 1. A cloned Bam HI DNA fragment, 3.0 kb long, was isolated in preparation for sequence determination. First, a map of restriction endonuclease cleavage sites had to be prepared. Cleavage by each of the indicated enzymes generated fragments of the sizes shown on the three agarose electrophoresis gel figures below; the gels are running from top to bottom. On the diagram below those, show the relative positions of EcoR I and Hpa II cleavage sites and the distances (in kb) between them. Explain your reasoning - is your placement of the cleavage sites the only one that will work? ECORI BamHI 1.7КВ 0.9KB 0.4KB ECORI Hpall -3.0kb- 1.2KB 0.9KB 10.5KB 0.4KB Hpall BamHI 1.6KB 1.4KB
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