Multiple Choice
The figure shows the evolution of HIV and SIV. Choose the true statements about the evolution of HIV.
A) All strains of HIV are included within clades with SIV strains.
B) A strain of HIV is never more closely related to another strain of HIV than it is to a SIV strain.
C) Humans acquired different subtypes of HIV from different primate hosts.
D) HIV-1 group O is more closely related to SIV-chimpanzee than SIV-gorilla.
Correct Answer:
Verified
Correct Answer:
Verified
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