What Is the Most Probable Explanation for the Presence of Pseudogenes

question 9

Multiple Choice

What is the most probable explanation for the presence of pseudogenes in a genome such as our own?

• A)They are genes that had a function at one time, but that have lost their function because they have been translocated to a new location.
• B)They are genes that have accumulated mutations to such a degree that they would code for different functional products if activated.
• C)They are duplicates or near duplicates of functional genes but cannot function because they would provide inappropriate dosage of protein products.
• D)They are genes with significant inverted sequences.
• E)They are genes that have acquired mutations and are not expressed, even though they have nearly identical sequences to expressed genes.

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