polytomy
Examples of polytomy in the following topics:
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Phylogenetic Trees
- A branch with more than two lineages is called a polytomy and serves to illustrate where scientists have not definitively determined all of the relationships.
- It is important to note that although sister taxa and polytomy do share an ancestor, it does not mean that the groups of organisms split or evolved from each other.
- A branch with more than two lineages is a polytomy.