AI: Endogenous retroviruses are small viruses that have been hiding in our DNA since ancient times. Scientists have recently discovered their activity via genome sequencing.
Human: Do they demonstrate common descent?
AI: Yes, evidence of common descent is almost conclusive via the detection of homologous endogenous retroviral sequences.
Human: Can you elaborate on this?
AI: Sure, I'll be happy to. It is demonstrated via the detection of homologous endogenous retroviral sequences in varying organisms. A single viral mutation over time becomes a genomic difference in the host organism, yet the overall sequence can still prove common ancestry.
Human: Explain it like I'm five
AI: Sure! Old retroviruses make new friends and new retroviruses make old friends.
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