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Sladkaya [172]
3 years ago
10

The virus that causes AIDS, HIV (Human Immunodeficiency Virus), derives from SIV (Simian Immunodeficiency Virus). SIV can only i

nfect monkeys. People who hunted wild monkeys were not susceptible to SIV infection because the host range of the virus was species- specific (i.e., restricted to monkeys). Then all of a sudden. SIV gained the ability to infect humans and the HIV/AIDS pandemic began. As a geneticist, how would you explain this? You may answer in very general terms. A full credit answer can be written in one word
Biology
2 answers:
SVETLANKA909090 [29]3 years ago
4 0

Answer:

it can be explain in such a way that there might be a kind of likelihood of cross-species transmission when a person is exposed to one strain versus another.'

it was found through research with  evidence that SIV strains mutate when they enter cells to overcome human-specific barriers to infection, something that had been suspected for a long time.

Explanation:

The first strain of a virus considered the ancestor of HIV, the virus that causes AIDS, was passed to humans in the early 1900s, somewhere near a West African rainforest. Now a study has backed up this theory, by proving forms of HIV can cross between chimps and humans.

sertanlavr [38]3 years ago
3 0

Answer:

Mutation

Explanation:

In genetics, any heritable change of the base-pair sequence of genetic material is referred to as MUTATION.

SIV (Simian Immunodeficiency Virus) must have undergone mutation, which is the basis of genetic variation or evolution

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