Polytomy

Word POLYTOMY
Character 8
Hyphenation po lyt o my
Pronunciations N/A

Definitions and meanings of "Polytomy"

What do we mean by polytomy?

In a cladogram, a point from which two or more new branches diverge, representing either of two cases. noun

A multiple speciation event in which two or more species diverge from the same ancestor. noun

A speciation event in which two or more species are presumed to descend from the same ancestor, but the order of speciation is unknown. noun

Division into more than two parts: distinguished from dichotomy. noun

A division into many members. noun

A section of a phylogeny in which the evolutionary relationships can not be fully resolved to dichotomies noun

Here you will find one or more explanations in English for the word polytomy. Define polytomy, polytomy synonyms, polytomy pronunciation, polytomy translation, English dictionary definition of polytomy.

Synonyms and Antonyms for Polytomy

  • Synonyms for polytomy
  • Polytomy synonyms not found!!!
  • Antonyms for polytomy
  • Polytomy antonyms not found!

The word "polytomy" in example sentences

Wrong - a polytomy is not that cladistics can only have two branches from any particular node. ❋ Unknown (2009)

In a phylogenetic tree, a polytomy is represented as a node which has more than two immediate descending branches. ❋ Unknown (2009)

This is called a polytomy, as opposed to a dichotomy. ❋ Unknown (2009)

But anyway this (polytomy) proves my point that cladistics assumes common ancestry by way of shared characteristics ❋ Unknown (2009)

ID guy: But anyway this (polytomy) proves my point that cladistics assumes common ancestry by way of shared characteristics ❋ Unknown (2009)

Polytomy: A polytomy (also called a polychotomy) is a section of a phylogeny in which the evolutionary relationships can not be fully resolved to dichotomies. ❋ Unknown (2009)

In nomenclatorial terms, the taxa in a soft polytomy belong to a clade, but are 'incertae sedis' within that clade. ❋ Hubert Turner Et Al. (2010)

Y. padellus and Y. cagnagellus as a clade in a polytomy with our ❋ Hubert Turner Et Al. (2010)

The only polytomy on the majority-rule consensus tree is an almost basal one between ❋ Hubert Turner Et Al. (2010)

Y. malinellus and Y. cagnagellus, and their Y. malinellus in a polytomy with Y. padellus, Y. mahalebellus, and ❋ Hubert Turner Et Al. (2010)

Such Adams consensus trees should be read as follows: taxa from a 'soft' polytomy (one not occurring on all basal trees) upward form a monophyletic clade, while taxa above such a polytomy are either a clade or a paraphyletic grade. ❋ Hubert Turner Et Al. (2010)

The MPD and MNND metrics are not influenced if the polytomy does not include species in the assemblage, but if it does include species in the assemblage these metrics may artificially increase or decrease. doi: 10.1371 / journal. pone.0004390.g001 ❋ Unknown (2009)

The right panel shows the same phylogeny with one node now a polytomy and the same measures of phylogenetic diversity using this less resolved phylogeny with an increased total branch length. ❋ Unknown (2009)

Previous analysis has returned a polytomy with Allosaurus, ❋ Scott A. Hocknull Et Al. (2009)

Wintonotitan and Diamantinasaurus collapses into an unresolved polytomy. ❋ Scott A. Hocknull Et Al. (2009)

This polytomy returned bootstrap support greater than 50%, however, still low at 58%. ❋ Scott A. Hocknull Et Al. (2009)

Cross Reference for Polytomy

  • Polytomy cross reference not found!

What does polytomy mean?

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