Based on the fingerprint, do you think Son and Father were independently infected by L. monocytogenes from two different sources, or from the same source? Explain your answer in simplest terms

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Based on the fingerprint, do you think Son and Father were independently infected by L. monocytogenes from two different sources, or from the same source? Explain your answer in simplest terms 

### PFGE: Listeria monocytogenes

**Graph Explanation:**

This image presents a pulsed-field gel electrophoresis (PFGE) analysis to compare isolates of *Listeria monocytogenes*. The PFGE method is used to separate large DNA molecules by applying an electric field that changes direction periodically.

**Diagram Details:**

- **Pearson Correlation (0% - 100%):** This scale measures the similarity between DNA patterns, ranging from 53.3% to 97.7%.
  
- **Dendrogram:** Demonstrates the relatedness of the isolates, where a higher percentage indicates more genetic similarity.

- **Gel Bands:** DNA patterns are shown for three samples:
  - Son's isolate
  - Father's isolate
  - ATCC BAA 751 (a control strain)

The bands represent DNA fragments of different sizes, measured in base pairs (bp), with markers indicating sizes from 50.00 bp to 800.00 bp.

**Conclusion:**

The dendrogram and band patterns suggest varying degrees of genetic similarity between the isolates, which is crucial for understanding the epidemiology of *Listeria monocytogenes* outbreaks.
Transcribed Image Text:### PFGE: Listeria monocytogenes **Graph Explanation:** This image presents a pulsed-field gel electrophoresis (PFGE) analysis to compare isolates of *Listeria monocytogenes*. The PFGE method is used to separate large DNA molecules by applying an electric field that changes direction periodically. **Diagram Details:** - **Pearson Correlation (0% - 100%):** This scale measures the similarity between DNA patterns, ranging from 53.3% to 97.7%. - **Dendrogram:** Demonstrates the relatedness of the isolates, where a higher percentage indicates more genetic similarity. - **Gel Bands:** DNA patterns are shown for three samples: - Son's isolate - Father's isolate - ATCC BAA 751 (a control strain) The bands represent DNA fragments of different sizes, measured in base pairs (bp), with markers indicating sizes from 50.00 bp to 800.00 bp. **Conclusion:** The dendrogram and band patterns suggest varying degrees of genetic similarity between the isolates, which is crucial for understanding the epidemiology of *Listeria monocytogenes* outbreaks.
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