Transcription of Phylogenetic Analysis Introduction to
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Phylogenetic Analysis Introduction to
Introduction to Phylogenetic AnalysisIrit OrrSubjects of this lecture1 Introducing some of the terminology some of the most commonlyused methods for Phylogenetic how to construct phylogenetictrees.]Taxonomy - is the science ofclassification of organisms.]Phylogeny - is the evolution of agenetically related group of organisms.]Or: a study of relationships betweencollection of "things" (genes, proteins, ) that are derived from a - WHY? Find evolutionary ties between organisms.(Analyze changes occuring in different organismsduring evolution). Find (understand) relationships between anancestral sequence and it descendants.(Evolution of family of sequences) Estimate time of divergence between a group oforganisms that share a common tree Of LifeEukaryote treeEubacteria treeSimilar sequences, common common ancestor, similar functionFrom a common ancestor sequence, twoDNA sequences are of these two sequences start toaccumulate nucleotide number of these mutations are used inmolecular evolution we calculate theDegree of Divergence]If two sequences of length N differ fromeach other at n sites, then their degree ofdivergence is: n/N or n/N*100%.
Phylogenetic Analysis Irit Orr Subjects of this lecture 1 Introducing some of the terminology of phylogenetics. 2 Introducing some of the most commonly used methods for phylogenetic analysis. 3 Explain how to construct phylogenetic trees.] Taxonomy - is the science of classification of organisms.] Phylogeny - is the evolution of a
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