Natural scienceBioinformaticsBioinformatics algorithmsPhylogenetics

Phylogenetic tree evaluation

Yersinia pestis geography problem

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Choose all true observations based on the following figure. A: Phylogenetic tree of modern and historical (BSK0001/003) strains of Yersinia pestis. B: Geographical locations of corresponding plague reservoirs. Numbers above branches depict bootstrap support values. Several strains were collapsed in triangles to enhance tree clarity. The picture is adapted from the original paper.

Phylogenetic tree of modern and historical strains of Yersinia pestis

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The grouping on the tree corresponds to geographical isolates with exceptions.

The clade of PCR-genotyped 0.ANT strains is poorly resolved.

The grouping on the tree corresponds exactly to geographical isolates without exceptions.

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