Which of the Following Statements Is TRUE Regarding the Molecular

question 89

Multiple Choice

Which of the following statements is TRUE regarding the molecular clock of hemoglobins?

• A)Given the high rate of mutations that occur in the DNA coding regions of hemoglobin genes, the molecular clock of hemoglobins is much faster than that of pseudogenes.
• B)Given the robust action of negative selection on deleterious mutations in hemoglobin genes, the molecular clock of hemoglobins is much slower than that of histones.
• C)The molecular clock of hemoglobins could be considered to be at a "standstill," as mutations in hemoglobin genes are usually not affected by natural selection.
• D)The rate of the molecular clock of hemoglobins is in between that of pseudogenes and histones.

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