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phylogeny Syllabification: phy·log·e·ny
Pronunciation: /ˌfīˈläjənē/

Definition of phylogeny in English:


1The branch of biology that deals with phylogenesis. Compare with ontogeny.
Example sentences
  • In addition to ecology, phylogeny may also influence life history parameters.
  • Phylogenetics, the science of phylogeny, is one part of the larger field of systematics, which also includes taxonomy.
  • In both cases, alterations of developmental timing produce parallels between ontogeny and phylogeny.
1.1 another term for phylogenesis.
Example sentences
  • Basic questions such as the chromosomal evolution or the phylogeny of these living fossils are still unresolved.
  • If this is indeed so, then symbiont phylogeny should roughly correlate with host phylogeny.
  • Here we use gene genealogies to investigate the phylogeny of recent speciation in the heliconiine butterflies.


Pronunciation: /ˌfīlōˈjenik/
Example sentences
  • On the basis of the phylogenic relationships, autogamous species most likely evolved from self-incompatibility ancestors that have exserted stigmas.
  • A detailed phylogenic analysis of the suborder Acanthroidei was completed by Tyler et al.
  • Why do the ontogenetic stages repeat those of the phylogenic series?
Pronunciation: /ˌfīləˈjenik(ə)lē/
Example sentences
  • The immunophilins are a family of phylogenically conserved binding proteins possessing peptidal prolyl isomerase activity, including cyclophilin and FK506 binding protein (FKBPs).
  • Phylogenically old structures, such as the brain stem, are considered more resistant to gene-environment influence.


Late 19th century: from Greek phulon, phulē 'race, tribe' + -geny.

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