Dollo's law

Dollo's law

      biological principle, formulated about 1890 by Louis Dollo, a French-born Belgian paleontologist, that evolution is not reversible; i.e., structures or functions discarded during the course of evolution do not reappear in a given line of organisms. The hypothesis was first advanced by a historian, Edgar Quinet (Quinet, Edgar).

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  • Dollo's law — or Dollo s Principle is a hypothesis proposed by French born Belgian paleontologist Louis Dollo (1857 1931) in 1890 that states that evolution is not reversible. This law was first stated by Dollo in this way: An organism is unable to return,… …   Wikipedia

  • Dollo's law of irreversibility — (also known as Dollo s law and Dollo s principle) is a hypothesis proposed in 1893[1] by French born Belgian paleontologist Louis Dollo which states that evolution is not reversible. This hypothesis was first stated by Dollo in this way: An… …   Wikipedia

  • dollo's law — ˈdä(ˌ)lōz noun Usage: usually capitalized D Etymology: after Louis Dollo died 1931 Belgian paleontologist : a generalization in biology: characters lost in the course of evolution are never regained in the original form …   Useful english dictionary

  • Dollo's law — phyletic development is irreversible, i.e., reversion to an ancestral peculiarity (atavism) is impossible …   Medical dictionary

  • Louis Dollo — Louis Dollo …   Wikipédia en Français

  • Louis Dollo — Infobox Scientist name = PAGENAME box width = image size =150px caption = PAGENAME birth date = December 7, 1857 birth place = death date = 1931 death place = residence = |citizenship = French nationality = Belgian ethnicity = field =… …   Wikipedia

  • Louis Dollo — Louis Antoine Marie Joseph Dollo (* 7. Dezember 1857 in Lille; † 1931) war ein aus Frankreich stammender belgischer Paläontologe. Er leitete ab 1878 die Ausgrabung und später Rekonstruktion der berühmten Iguanodon Funde in der Kohlegrube von… …   Deutsch Wikipedia

  • Dollosches Gesetz — Das Dollo sche Gesetz der Irreversibilität der Entwicklung bezieht sich auf das biologische Fachgebiet der Evolution und besagt, dass eine gewisse Komplexität, einst verloren gegangen, keinesfalls in einem phylogenetisch jüngeren Organismus… …   Deutsch Wikipedia

  • Dollosches — Das Dollo sche Gesetz der Irreversibilität der Entwicklung bezieht sich auf das biologische Fachgebiet der Evolution und besagt, dass eine gewisse Komplexität, einst verloren gegangen, keinesfalls in einem phylogenetisch älteren Organismus… …   Deutsch Wikipedia

  • Devolution (biology) — In common parlance, devolution , de evolution , or backward evolution is the notion that a species can change into a more primitive form. Biologically, it is a misnomer because evolution does not have a direction or motive. So, its reverse is not …   Wikipedia

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