Figure 29.20 -Examining Figure 29.20,which of the Following Is the Best Explanation

question 83

Multiple Choice

figure 29.20
-Examining figure 29.20,which of the following is the best explanation of the globin gene cluster observed in Neopagetopsis ionah?

• A)N. ionah is not an ice fish
• B)Identical mutations occurred in the alpha and beta globin genes four separate times since ice fishes diverged from red-blooded fishes
• C)N. ionah's ancestors interbred with red-blooded fishes
• D)The mutations in the alpha and beta globin genes do not explain why ice fish have white blood
• E)The ancestor to ice fishes and red-blooded fishes did not have alpha and beta globin genes, and these arose in the red-blooded fishes after the two groups diverged

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