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Phylogeny

Definition

noun, plural: phylogenies

(1) The evolutionary history of a taxonomic group of organisms.

(2) The evolutionary development of a species or of a taxonomic group of organisms.

(3) The history of development of a tribe or racial group.


Supplement

Word origin: Ancient Greek phylon (tribe) + geneia (producing).

Related forms: phylogenetic (adjective)

Synonym: phylogenesis

Compare: ontogeny

Related terms:


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Chicken or egg formed first

... If somebody has an egg, it formed from a chicken, later formed from egg. If we follow egg-chicken story in chronological order (follow the phylogeny), egg-chicken-egg-chicken-egg-…………..-reptiles-egg…………-amphibians-egg…………..-fishes-egg…………..-invertebrate- egg …………prokaryotes-prokaryote-prokaryote…… ...

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by josem
Sun Aug 17, 2014 8:24 pm
 
Forum: Evolution
Topic: Chicken or egg formed first
Replies: 3
Views: 304

Chicken or egg formed first

Chicken or egg formed first is always a dilemma if we consider it for only few thousand years. If we digging the phylogeny of chicken (a bird) for some hundred million years, which is evolved from reptiles, digging the phylogeny from reptiles shows following order amphibians, fishes, ...

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by josem
Thu Jul 17, 2014 7:14 pm
 
Forum: Evolution
Topic: Chicken or egg formed first
Replies: 3
Views: 304

Phylogeny and haplotype mapping programs

Hello! I have previously used MGEA for my phylogenetic analysis and draw evolutionary trees. In this project, I have a certain number of haplotypes, I have to calculate distances. What is the most common, acceptable, free to use program for haplotype mapping? What is the most accepted programs these...

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by sevdakara
Tue Jul 15, 2014 8:29 pm
 
Forum: Ecology
Topic: Phylogeny and haplotype mapping programs
Replies: 0
Views: 172

Re:

... of mice each year with several offsprings in each. Quite so! They do add up; and this is the basis of measuring genetic distances and inferring phylogeny. This if very effective; because the number of mutations is much larger than one per new individual. A recently published estimate is 70 new ...

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by ChrisHoStuart
Tue Oct 15, 2013 2:19 pm
 
Forum: Evolution
Topic: Beneficial mutations vs harmful
Replies: 12
Views: 7425

Evolution is not Darwinian

... G. Ledyard Stebbins (1906-2000): hybridization between species as a source of evolutionary novelty. Carl Woese (1928- ): molecular phylogeny and the existence of at least three distinct cell kingdoms. Lynn Margulis (1938-2011): cell mergers/symbiogenesis as a source of evolutionary ...

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by Forests
Wed Sep 26, 2012 3:29 pm
 
Forum: Evolution
Topic: Evolution is not Darwinian
Replies: 4
Views: 4435
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