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Z 362 Lab 1

Important terms from Lab 1 for the midterm

TermDefinition
Phylogenetics The study of relationships among groups of organisms
Cladistics Another term for "phylogenetics"
Taxa (Taxon) Formally-named groups of organisms
Character Traits or features that vary among a set of taxa
Character State A variant of the character that occurs in a particular taxon
Lineage Splitting Divergence of a population; occurs when populations become isolated from one another and are no longer able to exchange traits via sexual reproduction
Derived Trait A character or trait that changes from the ancestral state
Ancestral Trait Characters that are carried over in the new population
Synapomorphy Derived traits that are shared amongst taxa
Homologous Traits Traits that share a common ancestry
Homoplasy/Convergent Evolution Traits that resemble one another, but not due to a common ancestry
Cladogram Phylogenetic tree
Extant Living
Tips/Leaves End of a "branch" on a cladogram
Branches Connecting lines that converge at nodes
Nodes
Most Recent Common Ancestor (MRCA)
Sister Group (Sister Taxa)
Root
Clade
Monophyletic
Paraphyletic
Polyphyletic
Polyp
Medusa
Colonial
Solitary
Polymorphism
Principle of Parsimony
Character-State Matrix
Transcription
Translation
Outgroup
Created by: knye
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