Count the black and white dots for each circled region and calculate the percentage of dairy tolerant people in each region. Plot your findings in the graph below.
Count the black and white dots for each circled region and calculate the percentage of dairy tolerant people in each region. Plot your findings in the graph below.
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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:**Part I – Geographical Variation in Tolerance to Dairy**
**1.i – Survey of Dairy Intolerance**
**Björn:**
Wait, so are you saying that where you’re from, people are generally not able to digest milk? At home in Sweden, we eat dairy products like milk and cheese all the time and everyone I know seems to tolerate it well.
**Linda:**
That’s so interesting! I’m curious to see how that maps to the world and if what you observed could be generally true. Let’s do a survey in the international dorm and find out who is tolerant to dairy and where they are from. I’ll put a black dot for a dairy tolerant person in his or her home country and a white dot for a dairy intolerant person. I’ll start with Xiao-Ma—one white dot in China!
**Figure 1. Survey of dairy tolerance.**
Linda’s results on a map of the world.
**Description of Figure 1:**
The diagram above displays the results of a survey on dairy tolerance conducted among international students, visualized on a world map. Black dots indicate individuals who are lactose tolerant, while white dots represent those who are lactose intolerant.
Key observations from the map:
- **Northern Europe:** Predominantly black dots, indicating a high prevalence of lactose tolerance.
- **Southern Europe:** A mix of black and white dots, suggesting varied tolerance to dairy.
- **West Africa:** A majority of white dots, indicating a high prevalence of lactose intolerance.
- **East Africa:** Mostly black dots, indicating a higher prevalence of lactose tolerance.
- **Middle East 1 & 2:** A mix of black and white dots, showing a variation in lactose tolerance.
- **East Asia:** Predominantly white dots, indicating a high prevalence of lactose intolerance.
This survey provides a snapshot of the geographical variation in lactose tolerance among different populations, highlighting regions where dairy tolerance or intolerance is more common.
![### Exercise: Calculating Dairy Tolerance by Region
**Instructions:**
1. **Data Collection:**
- Count the black and white dots for each circled region.
- Use this count to calculate the percentage of dairy-tolerant individuals in each region.
2. **Calculation Formula:**
\[
\text{Percentage of Dairy-Tolerant Individuals} = \left( \frac{\text{Number of Black Dots}}{\text{Total Number of Dots}} \right) \times 100
\]
3. **Plotting Your Findings:**
- Use the calculated percentages to fill in the bar graph below.
#### Graph: % Dairy Tolerant Individuals by Region of Origin
**Graph Description:**
- The graph has a title: "% Dairy Tolerant Individuals by Region of Origin".
- There is a vertical axis labeled with percentages from 0% to 100%.
- The horizontal axis lists the following regions:
- Northern Europe
- Southern Europe
- West Africa
- East Africa
- Middle East 1
- Middle East 2
- East Asia
Use the obtained data to plot the graph accurately based on your calculations!](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdec5afcc-1b1f-4d8a-a91d-78428b1875fd%2Fe07811a0-6faa-4a6f-b689-23a2333a7736%2F4nxpqi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Exercise: Calculating Dairy Tolerance by Region
**Instructions:**
1. **Data Collection:**
- Count the black and white dots for each circled region.
- Use this count to calculate the percentage of dairy-tolerant individuals in each region.
2. **Calculation Formula:**
\[
\text{Percentage of Dairy-Tolerant Individuals} = \left( \frac{\text{Number of Black Dots}}{\text{Total Number of Dots}} \right) \times 100
\]
3. **Plotting Your Findings:**
- Use the calculated percentages to fill in the bar graph below.
#### Graph: % Dairy Tolerant Individuals by Region of Origin
**Graph Description:**
- The graph has a title: "% Dairy Tolerant Individuals by Region of Origin".
- There is a vertical axis labeled with percentages from 0% to 100%.
- The horizontal axis lists the following regions:
- Northern Europe
- Southern Europe
- West Africa
- East Africa
- Middle East 1
- Middle East 2
- East Asia
Use the obtained data to plot the graph accurately based on your calculations!
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