The number of neutral mutations in each species reveals:
A. how the species may have lived.
B. how old thespecies is.
C. how the speciesadaptsto climate changes.
D. the staple diet of the species.
B. how old thespecies is.
Explanation: Neutral mutations are changes in the noncoding DNA of a gene, the parts of DNA that do not provide instruction for making a protein and are not eliminated by natural selection. Because the rate of accumulation of neutral mutations is fairly constant in each species, the number of neutral mutations can reveal how old the species is.
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