HIV is thought to have arisen in green monkeys in Africa and was then passed on
ID: 180168 • Letter: H
Question
HIV is thought to have arisen in green monkeys in Africa and was then passed on to humans. Researchers have not been able to infect other species of mammals like dogs and mice with the HIV virus. Which statement best explains theses results?
A-Dogs and mice don't have a common ancestor to humans and money
B-Dogs and mice are resistant to all viruses
C-Dogs and mice don't have genes in common with humans or monkeys
D-Humans and monkeys can mate thus are the same species
E-Humans have a more common recent ancestor with monkeys than with dogs and mice
Explanation / Answer
Every family of virus is highly host-specific, so the animals which they infect to complete their life cycle is dependent on the virus. HIV is specific for host primates, so it can infect monkeys and humans; but not dogs.
Answer is- A-Dogs and mice don't have a common ancestor to humans and monkey
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