Figure 18.1
In comparing a fairly conserved gene in humans, mice, lizards, and tuna, what can you say about their DNA sequences for the gene based on the cladogram provided?
A. The mouse and lizard would have more similar DNA sequences than the mouse and human.
B. The human and lizard would have more similar DNA sequences than the human and mouse.
C. The mouse and human would share more DNA sequences than the mouse and tuna.
D. The tuna and lizard would share more DNA sequences than the human and lizard.
E. The tuna and lizard would share less DNA sequences than the human and mouse.
Answer: C
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