isabellamarisol3451 isabellamarisol3451

08-09-2022
Biology

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The phylogenetic tree shows the hypothesized evolutionary relationship between the variant strairis of H1N1 virus. The more closely connected two variants are, the more alike they are in terms of HA gene sequence. Each fork in a branch, called a node, shows where two lineages separate due to different accumulated mutations. The length of the branches is a measure of how many sequernce differences there are between the variants, indicating how distantly related they are. Referring to the phylogenetic tree, which variants are more closely related to each other: ATTaiwan1018/2011 and AVTaiwan/552/2011 or AVTaiwan1018/2011 and AJTaiwarv8542/2009? Explain your answer.

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