Problem 2 7 P Figure 2 shows the phylogenetic relationship between a potentially recombinant variant CRF 7 of HIV 1 and the

Question

Problem 2 7 P Figure 2 shows the phylogenetic relationship between a potentially recombinant variant CRF 7 of HIV 1 and the representatives of subtypes B and C These phylogenies were reconstructed from the coding sequences of four HIV genes gag pol env and nef gag B CRF 7 pol C B CRF 7 env B nef B CRF 7 CRF 7 C Figure 2 Phylogenetic relationships between the variant CRF 7 and subtypes B and C of HIV 1 reconstructed from four genes 1 3 P If CRF 7 is indeed a recombinant where on the HIV chromosome i e between which genes are the recombination breakpoints The order of genes in Figure 2 corresponds to their order in the HIV genome 2 4 P If CRF 7 is indeed a recombinant indicate which subtypes likely donated which genes to CRF 7

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