Refer to the Figure, Which Shows a Scatterplot of Genome

question 67

Essay

Refer to the figure, which shows a scatterplot of genome size versus number of protein-coding genes found in different classes of microbes. Based on these data, state and justify the most likely origin of the mimivirus, and present an alternative hypothesis for the origin of this and other viruses.

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Definitions:

5-number Summary

A descriptive statistic that provides a quick overview of a dataset's distribution through five key numbers: minimum, first quartile, median, third quartile, and maximum.

Interquartile Range

The measure of variability which is the difference between the third quartile and the first quartile in a dataset, indicating the spread of the middle 50%.

Percentiles

Values or scores below which a given percentage of observations in a group of observations fall.

Decile

A statistical measure dividing a dataset into ten equal parts, each containing 10% of the data points.