The graph below shows values for body size in parents and offspring.  The data shown are consistent with which of the following situations. ANSWER CHOICES A. variation in body size is completely due to variation in the environment (heritability is 0) B. most of the variation in body size is due to variation in the environment but there is a small effect of genes (heritability is around 0.2) C. variation in body size is completely due to variation in genes (heritability is 1.0) D. most of the variation in body size is due to variation in genes but there is some effect of the environment (heritability is about 0.8)

Human Biology (MindTap Course List)
11th Edition
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Chapter19: Introduction To Genetics
Section: Chapter Questions
Problem 2CT: Still referring to Problem 1, what will be the possible genotypes of offspring from the following...
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The graph below shows values for body size in parents and offspring.  The data shown are consistent with which of the following situations.

ANSWER CHOICES

A. variation in body size is completely due to variation in the environment (heritability is 0)
B. most of the variation in body size is due to variation in the environment but there is a small effect of genes (heritability is around 0.2)
C. variation in body size is completely due to variation in genes (heritability is 1.0)
D. most of the variation in body size is due to variation in genes but there is some effect of the environment (heritability is about 0.8)
This image displays a scatter plot with a trend line, illustrating the relationship between two variables: "parents" (x-axis) and "offspring" (y-axis).

### Details of the Graph:

- **Axes:**
  - The x-axis is labeled "parents" with a range approximately from 155 to 185.
  - The y-axis is labeled "offspring" with a range approximately from 160 to 180.

- **Data Points:**
  - Each black dot represents a data point, showing the height (or another metric) of offspring corresponding to that of their parents.
  - The data points are distributed across the plot, forming a pattern suggesting a positive correlation.

- **Trend Line:**
  - A blue line is drawn through the data, indicating the line of best fit.
  - This line suggests a linear relationship where, generally, as the value for "parents" increases, the "offspring" value tends to increase as well.

The scatter plot serves as a visual representation for studying hereditary patterns or trends, typical in fields such as genetics or social science studies. The positive correlation reflected by the trend line may suggest that as the measured trait in parents increases, a similar increase is observed in their offspring.
Transcribed Image Text:This image displays a scatter plot with a trend line, illustrating the relationship between two variables: "parents" (x-axis) and "offspring" (y-axis). ### Details of the Graph: - **Axes:** - The x-axis is labeled "parents" with a range approximately from 155 to 185. - The y-axis is labeled "offspring" with a range approximately from 160 to 180. - **Data Points:** - Each black dot represents a data point, showing the height (or another metric) of offspring corresponding to that of their parents. - The data points are distributed across the plot, forming a pattern suggesting a positive correlation. - **Trend Line:** - A blue line is drawn through the data, indicating the line of best fit. - This line suggests a linear relationship where, generally, as the value for "parents" increases, the "offspring" value tends to increase as well. The scatter plot serves as a visual representation for studying hereditary patterns or trends, typical in fields such as genetics or social science studies. The positive correlation reflected by the trend line may suggest that as the measured trait in parents increases, a similar increase is observed in their offspring.
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