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all the influenza viruses shown in the phylogenetic tree are thought to have arisen in one group of host animals. which group of animals do you think is the original source of the virus, and why?

Sagot :

The group of host animals in which all influenza viruses arose are birds. All viruses isolated in different groups of animals (e.g. pigs, horses, etc) had all their origin in birds (as indicated by the blue lineages).

All influenza viruses originated in the group of host animals known as birds. All viruses discovered in various animal species (such as pigs, horses, etc.) originated in birds (as indicated by the blue lineages).

Flu virus proteins are probably present in the nucleus, host cell membrane, and cytoplasm during an influenza virus infection. The genome type of an animal virus mostly determines the type of life cycle it has. A prophage can be formed by a lambda phage; a retrovirus would be a similar animal virus type. Some hosts manufacture interferons to protect themselves from animal viruses.

To learn more about viruses please click on the given link: https://brainly.com/question/29304167

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