Read the story at the following link: https://evolution.berkeley.edu/evolibrary/

Question

Read the story at the following link: https://evolution.berkeley.edu/evolibrary/article/0_0_0/pillai_01 3. Satish was interested in finding a "signature of selection in semen-derived virus. Explain what this phrase means and how the signature was detected Other researchers have studied HIV populations in people who are not taking antiretroviral drugs. The phylogenies of these viruses usually show a strong, time-related signal: viruses sampled later in the infection tend to be more closely related to other late-sampled viruses than to early-sampled viruses. Draw (at home) a phylogeny that shows what this might look like and then describe on iLearn. Do these results conflict with Satish's? Explain why or why not.

Explanation / Answer

3)It means that satish was looking for a virus during his experiments which is a semen derived virus which could adapt to the climate and didnt die out. The signature was detected from the fact that the virus didnt die out and continued to work for a long long time without getting affected from climate.

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