Choose the true statement about the human genome and the tiger pufferfish genomes.
A. About 25% of human genes are unique when compared to the tiger pufferfish genome.
B. Both species have about the same amount of introns and "nonsense" sequences of DNA.
C. Essentially all the human genes have nearly identical counterparts in pufferfish.
D. The order of genes along the chromosomes in both species is essentially identical.
Answer: A
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