Refer to the Figure Shown

question 55

Multiple Choice

Refer to the figure shown.
What is the best explanation for the differences, as shown in the figure, in the icefish globin genes?

• A) Redundant gene sequences have been selected against and removed over time.
• B) The α-globin gene is nonfunctional; the β-globin gene has been moved to another chromosome but is functional.
• C) The α-globin gene is nonfunctional; the β-globin gene has been moved to another chromosome and is nonfunctional.
• D) Deletions have rendered the α-globin gene nonfunctional and the β-globin gene has been removed.

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