A piece of DNA fragment is sequenced. You clone the the fragment, isolate the cloned DNA fragment, and set up a series of four dideoxy reaction. You then separate the products of the reaction by gel electrophoresis and obtain the following banding patter: ddATP ddTTP ddCTP ddGTP What is the base sequence of the original fragment that you were given? 0 5-ТАAGCTGA-3' 0 5-АТTCGACТ-3' 5'-TCAGCTTA-3' 5'-AGTCGAAT-3'

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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A piece of DNA fragment is sequenced. You clone the fragment, isolate the cloned DNA fragment, and set up a series of four dideoxy reactions. You then separate the products of the reaction by gel electrophoresis and obtain the following banding pattern:

- **ddATP lane:**  
  - Band 1 (top)
  - Band 5 (bottom)

- **ddTTP lane:**
  - Band 2

- **ddCTP lane:**
  - Band 3
  - Band 6 (bottom)

- **ddGTP lane:**
  - Band 4
  - Band 7 (bottom)

**Question:**  
What is the base sequence of the original fragment that you were given?

**Options:**
1. 5'-TAAGCTGA-3'
2. 5'-ATTCGACT-3'
3. 5'-TCAGCTTA-3'
4. 5'-AGTCGAAT-3'
Transcribed Image Text:A piece of DNA fragment is sequenced. You clone the fragment, isolate the cloned DNA fragment, and set up a series of four dideoxy reactions. You then separate the products of the reaction by gel electrophoresis and obtain the following banding pattern: - **ddATP lane:** - Band 1 (top) - Band 5 (bottom) - **ddTTP lane:** - Band 2 - **ddCTP lane:** - Band 3 - Band 6 (bottom) - **ddGTP lane:** - Band 4 - Band 7 (bottom) **Question:** What is the base sequence of the original fragment that you were given? **Options:** 1. 5'-TAAGCTGA-3' 2. 5'-ATTCGACT-3' 3. 5'-TCAGCTTA-3' 4. 5'-AGTCGAAT-3'
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