APFIVE Interpreting Phylogenetic Bootstrap Values
A researcher constructs a phylogenetic tree for five species using molecular data. If a specific node has a bootstrap value (a measure of statistical confidence) of 52%, what is the most appropriate scientific conclusion?
A
The molecular clock is running at different rates
B
The evolutionary relationship at this node is uncertain
C
Speciation did not occur at this point in evolutionary history
D
The node does not represent a common ancestor
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