Refer to the Figure

question 31

Multiple Choice

Refer to the figure. Which statement about the figure is false?

• A) Sea urchin En and lamprey En are paralogs.
• B) All of the En genes are orthologs.
• C) Zebrafish En2a and En2b arose by gene duplication.
• D) The En2 and En1 gene groups are paralogous.
• E) All of the En genes share a common ancestor.

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Definitions:

Sample Statistic

A numerical measure that describes some characteristic of a sample of data.

Special Causes

Unusual or non-random factors that cause variation in a process, distinguished from common causes that are inherent to the process.

Quantitative Sample Statistic

A numerical measurement that describes an attribute of a sample of a population.

Statistical Quality Control

A method of using statistical methods to monitor and control a process to ensure that it operates at its full potential to produce conforming product.