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(NAS Colloquium) Genetics and the Origin of Species From Darwin to Molecular Biology 60 Years After Dobzhansky (1997) / Chapter Skim
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Phylogenetics and the origin of species
Pages 58-65

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 58...
... Thus. a recent development in the geld of sysl~m~lics could hardly be of deeper impart to ~voIuJo~ary biology: 1be Use in popuIarLy<4jof~compelin~vie~ tha1depreciat~sor.inth~ e~Ome,disavo~sen1kely<~.6janyrel~vanceotreproducUve Solution for species concepts Various formulations of a "cladist~ic OF 'phy~logen.eticspecTcsconcept"(PSC)
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From page 59...
... 3 #~' Z.~j. ^11 ~xlan1 females in 1axoIl E trace gonealogic~lp throu~b tamale ancestors lo a shared progenitrcss at f ~ 5, those in D coalesce at ~ - 9 and those in the D + E assemblage stem lo a common ancestor at f - 12.
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From page 60...
... 7730 ColloquTu~n1 Faker: advise and ~o~ll~nh~rg , _ I
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From page 62...
... ~cal^. I~ the b~bt of coalescent theory.
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From page 63...
... As phrased ~ ~addison {>T) ~tbc sp~ciCs p#lo~e~ is more [kc a statislical distribution, b~in~ composed of v~rions 1rees (lile gene trees)
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From page 64...
... . Covers the BSC has roots in population genetics bug nag might profit from an infusion of appropriate ph~lo~enelic considerations to aluminate prc~i ously underemphasized elements of genealo~ic~1 bistory.
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From page 65...
... Ithashren1betbes~ of1bisp~porthatlho sp~cicsproblcm~ cann~tb~proper~ addressed Mom ~phylogcne6cpcrspect~e kboutrc~ ~ncclothcEne~cusdetadsofpedi~r~cs~ndof [no'gesordn~p~c~ss~ at micro~volutionaryscales.andth~t anincorporation~fsuchperspecdvesc~nrcsolvc manyofthe apparent confect previously cmph~sLcd between the PSC and the BSC. To paraphrase and ~daptthe quotation from DobzEansky(Ij1hatop~n~dlhR paper: population ~cnedcs ~ go pant god ~ on UP pan ~ 0~ mech~n~n~ of sp~ci~lion that ~ s~ci~tIon theory that disregards esl~[sbed population genetic principles is away at as source.
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Key Terms

  • coalescent theory
  • population genetics
  • species concept
  • species concepts
  • population genetic

  • mutually exclusive
  • reproductive ties
  • genetic principles
  • common ancestor
  • gene tree

  • biotic discontinuity
  • underemphasized elements
  • sister populations
  • isolation forms
  • biotic subdivisions

  • modern coalescent
  • reproductive community
  • widespread perception
  • various formulations
  • appropriate phylogenetic

  • assemblage stem
  • pivotal boundary
  • alternating reciprocal
  • evolutionary process
  • biotic relationships

  • recent development
  • reproductive criteria
  • multiple character
  • character state
  • extended reproductive


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