If, Someday, an Archaean Cell Is Discovered Whose SSU-RRNA Sequence

question 64

Multiple Choice

If, someday, an archaean cell is discovered whose SSU-rRNA sequence is more similar to that of humans than the sequence of mouse SSU-rRNA is to that of humans, the best explanation for this apparent discrepancy would be

• A)homology.
• B)homoplasy.
• C)common ancestry.
• D)retro-evolution by humans.
• E)co-evolution of humans and that archaean.

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