Scientists Have Long Been Interested in Differences Between Dogs and Wolves

question 5

Multiple Choice

Scientists have long been interested in differences between dogs and wolves in their social behavior toward humans. Dogs and wolves share a common ancestor. In trying to understand the differences, a researcher analyzed data collected from 18 domesticated dogs and 10 wolves that had been raised by humans. Which data would be most useful to understand the genetic basis of this behavior?

• A)The pedigree for the dogs and the geographic location from which the wolves came.
• B)The number of chromosomes in wolves and dogs.
• C)Differences in DNA sequences between the dogs and the wolves.
• D)Examination of DNA from the ancient ancestor of dogs and wolves.

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Definitions:

Relative Class Frequency

The fraction or percentage of data points that belong to a specific category or class in relation to the total dataset.

Relative Frequencies

The proportion of times a particular value occurs in a dataset relative to the total number of occurrences.

Bar Charts

Graphical representations of data using bars of different heights or lengths to illustrate comparisons among categories.

Stem And Leaf Plots

A graphical method used in descriptive statistics for organizing and displaying quantitative data to show its shape and distribution.