Comparisons between the cytochrome b protein sequence in the honeycreeper versus the deer mouse and the Gough Island finch reveals eighteen and four amino acid differences,respectively.Therefore,_____.
A)the honeycreeper is more closely related to the deer mouse
B)the honeycreeper and the Gough Island finch are the same species
C)the honeycreeper is more closely related to the Gough Island finch
D)no DNA mutations have occurred during the evolution of the honeycreeper
E)the DNA sequences of all three species are identical

Question

Quizplus · Accepted Answer

The honeycreeper and the Gough Island finch have fewer amino acid differences, indicating a closer relationship. The honeycreeper and deer mouse have more amino acid differences, suggesting they are less closely related.

Comparisons Between the Cytochrome B Protein Sequence in the Honeycreeper