225 Homoplasy PPTs View free & download

Homology vs. Homoplasy PowerPoint PPT Presentation

Homology vs. Homoplasy - Homoplasy occurs when characters are similar, but are not derived ... Thylacine most closely related to Tasmanian devil. Thylacine. Timberwolf. Turkey vulture ...

Homoplasy occurs when characters are similar, but are not derived ... Thylacine most closely related to Tasmanian devil. Thylacine. Timberwolf. Turkey vulture ...

| PowerPoint PPT presentation | free to download

Cladistics and Molecular Systematics PowerPoint PPT Presentation

Cladistics and Molecular Systematics - Cladistics and Molecular Systematics. Depicting evolutionary changes. Homology. Homoplasy ... Characters for Cladistics. Qualitative presence / absence ...

Cladistics and Molecular Systematics. Depicting evolutionary changes. Homology. Homoplasy ... Characters for Cladistics. Qualitative presence / absence ...

| PowerPoint PPT presentation | free to view

Introduction to characters and parsimony analysis PowerPoint PPT Presentation

Introduction to characters and parsimony analysis - ... be evidence for a wrong tree: grouping humans with frogs and lizards with dogs ... Lizard. Dog. TAIL. absent. present. Distinguishing homology and homoplasy ...

... be evidence for a wrong tree: grouping humans with frogs and lizards with dogs ... Lizard. Dog. TAIL. absent. present. Distinguishing homology and homoplasy ...

| PowerPoint PPT presentation | free to view

Classification and phylogeny of animals PowerPoint PPT Presentation

Classification and phylogeny of animals - Classification and phylogeny of animals. Over 1.5 million species have ... if not- homoplasy. How do we get to this point? Fossil record. Comparative anatomy ...

Classification and phylogeny of animals. Over 1.5 million species have ... if not- homoplasy. How do we get to this point? Fossil record. Comparative anatomy ...

| PowerPoint PPT presentation | free to view

The history of the Indo-Europeans PowerPoint PPT Presentation

The history of the Indo-Europeans - Rates-across-sites ... Dating nodes requires both an approximate lexical clock and also the rates ... but assumes homoplasy-free evolution for all characters ...

Rates-across-sites ... Dating nodes requires both an approximate lexical clock and also the rates ... but assumes homoplasy-free evolution for all characters ...

| PowerPoint PPT presentation | free to download

Combinatorial and graphtheoretic problems in evolutionary tree reconstruction PowerPoint PPT Presentation

Combinatorial and graphtheoretic problems in evolutionary tree reconstruction - Combinatorial and graph-theoretic problems in evolutionary tree reconstruction. Tandy Warnow ... no homoplasy. back-mutation. parallel evolution. Perfect Phylogeny ...

Combinatorial and graph-theoretic problems in evolutionary tree reconstruction. Tandy Warnow ... no homoplasy. back-mutation. parallel evolution. Perfect Phylogeny ...

| PowerPoint PPT presentation | free to view

The%20history%20of%20the%20%20Indo-Europeans PowerPoint PPT Presentation

The%20history%20of%20the%20%20Indo-Europeans - Phylogeny Reconstruction Methods in Linguistics Tandy Warnow The University of Texas at Austin with Fran ois Barban on, Steve Evans, Luay Nakhleh, Don Ringe, and ...

Phylogeny Reconstruction Methods in Linguistics Tandy Warnow The University of Texas at Austin with Fran ois Barban on, Steve Evans, Luay Nakhleh, Don Ringe, and ...

| PowerPoint PPT presentation | free to download

CS 177 Phylogenetics I PowerPoint PPT Presentation

CS 177 Phylogenetics I - Phylogenetic trees. Cladistic versus phenetic analyses. Model of sequence evolution ... Branch length (scaled trees only): represents the number of changes that have ...

Phylogenetic trees. Cladistic versus phenetic analyses. Model of sequence evolution ... Branch length (scaled trees only): represents the number of changes that have ...

| PowerPoint PPT presentation | free to download

The history of the Indo-Europeans - The Satem Core (Indo-Iranian plus Balto-Slavic) is not always reconstructed. Almost all analyses put Italic, Celtic, and Germanic together.

The Satem Core (Indo-Iranian plus Balto-Slavic) is not always reconstructed. Almost all analyses put Italic, Celtic, and Germanic together.

| PowerPoint PPT presentation | free to download

Lecture 3 Introduction to characters and parsimony analysis PowerPoint PPT Presentation

Lecture 3 Introduction to characters and parsimony analysis - Because hair evolved only once and is unreversed (not subsequently lost) it is ... Various tree and character statistics describing the fit between tree and data ...

Because hair evolved only once and is unreversed (not subsequently lost) it is ... Various tree and character statistics describing the fit between tree and data ...

| PowerPoint PPT presentation | free to download

Lecture 3 Introduction to characters and parsimony analysis - These include ancestor-descendent relationships and more indirect relationships ... in any taxa must be because the taxa are not descendants of that ancestor ...

These include ancestor-descendent relationships and more indirect relationships ... in any taxa must be because the taxa are not descendants of that ancestor ...

| PowerPoint PPT presentation | free to view

PARSIMONY - PARSIMONY ANALYSIS and Characters * * * Different kinds of changes differ in their frequencies To A C G T From A C G T Transitions Transversions Unambiguous changes ...

PARSIMONY ANALYSIS and Characters * * * Different kinds of changes differ in their frequencies To A C G T From A C G T Transitions Transversions Unambiguous changes ...

| PowerPoint PPT presentation | free to download

A simulation study comparing phylogeny reconstruction methods for linguistics PowerPoint PPT Presentation

A simulation study comparing phylogeny reconstruction methods for linguistics - Translation of multi-state data to binary data. Reconstruction method ... Almost all analyses put Italic, Celtic, and Germanic together. ...

Translation of multi-state data to binary data. Reconstruction method ... Almost all analyses put Italic, Celtic, and Germanic together. ...

| PowerPoint PPT presentation | free to download

Detecting language contact in Indo-European PowerPoint PPT Presentation

Detecting language contact in Indo-European - Detecting language contact in Indo-European Tandy Warnow The Program for Evolutionary Dynamics at Harvard The University of Texas at Austin (Joint work with Don Ringe ...

Detecting language contact in Indo-European Tandy Warnow The Program for Evolutionary Dynamics at Harvard The University of Texas at Austin (Joint work with Don Ringe ...

| PowerPoint PPT presentation | free to download

Detecting language contact in Indo-European - Each 'contact edge' has a relative probability of transmitting character states. Each character evolves down a tree contained within the network. ...

Each 'contact edge' has a relative probability of transmitting character states. Each character evolves down a tree contained within the network. ...

| PowerPoint PPT presentation | free to view

Taxonomy - Taxonomy & Phylogeny Introduction Classification Phylogeny Cladograms Quiz Which of the following cladograms incorrectly illustrates sister groups? Question 12 Sorry!

Taxonomy & Phylogeny Introduction Classification Phylogeny Cladograms Quiz Which of the following cladograms incorrectly illustrates sister groups? Question 12 Sorry!

| PowerPoint PPT presentation | free to download

RECONSTRUCTING EVOLUTIONARY TREES PowerPoint PPT Presentation

RECONSTRUCTING EVOLUTIONARY TREES - 0 reconstructing evolutionary trees

0 reconstructing evolutionary trees

| PowerPoint PPT presentation | free to download

An introduction to maximum parsimony and compatibility PowerPoint PPT Presentation

An introduction to maximum parsimony and compatibility - Nearby sites will tend to have 'greater' genealogical correlation than distant sites ... If recombination has occurred, genealogical correlation will be partially ...

Nearby sites will tend to have 'greater' genealogical correlation than distant sites ... If recombination has occurred, genealogical correlation will be partially ...

| PowerPoint PPT presentation | free to download

Classification and phylogeny PowerPoint PPT Presentation

Classification and phylogeny - Classification and phylogeny. Early classification schemes. Fish ... Honeybee: Apis pubescens, thorace subgriseo, abdomine fusco, pedibus ... How the ...

Classification and phylogeny. Early classification schemes. Fish ... Honeybee: Apis pubescens, thorace subgriseo, abdomine fusco, pedibus ... How the ...

| PowerPoint PPT presentation | free to view

Beliefs prior to Darwin PowerPoint PPT Presentation

Beliefs prior to Darwin - Title: Wednesday, September 5 Last modified by: pbishop Created Date: 8/16/2006 12:00:00 AM Document presentation format: On-screen Show (4:3) Other titles

Title: Wednesday, September 5 Last modified by: pbishop Created Date: 8/16/2006 12:00:00 AM Document presentation format: On-screen Show (4:3) Other titles

| PowerPoint PPT presentation | free to download

The history of the Indo-Europeans - The history of the Indo-Europeans Tandy Warnow The University of Texas at Austin Questions about Indo-European (IE) How did the IE family of languages evolve?

The history of the Indo-Europeans Tandy Warnow The University of Texas at Austin Questions about Indo-European (IE) How did the IE family of languages evolve?

| PowerPoint PPT presentation | free to view

Molecular Systematics PowerPoint PPT Presentation

Molecular Systematics - Frog. Dog. TAIL ... evolved independently in humans and frogs - there are two steps on the ... a wrong tree grouping humans with frogs and lizards with dogs ...

Frog. Dog. TAIL ... evolved independently in humans and frogs - there are two steps on the ... a wrong tree grouping humans with frogs and lizards with dogs ...

| PowerPoint PPT presentation | free to view

Modelling language evolution PowerPoint PPT Presentation

Modelling language evolution - Empirical evidence of how estimated phylogenies depend upon both the data and ... is very common but transient (almost all polymorphisms lost within a millenium) ...

Empirical evidence of how estimated phylogenies depend upon both the data and ... is very common but transient (almost all polymorphisms lost within a millenium) ...

| PowerPoint PPT presentation | free to download

Reconstructing and Using Phylogenies PowerPoint PPT Presentation

Reconstructing and Using Phylogenies - The genus Linanthus has a variety of breeding ... concepts in biology is that all life is connected through evolutionary history. The Tree of Life ...

The genus Linanthus has a variety of breeding ... concepts in biology is that all life is connected through evolutionary history. The Tree of Life ...

| PowerPoint PPT presentation | free to view

A simulation study comparing phylogeny reconstruction methods for linguistics - Gray and Atkinson (Bayesian estimation based upon presence/absence of cognates) ... GA = Gray Atkinson Bayesian MCMC method. WMC = weighted maximum compatibility ...

Gray and Atkinson (Bayesian estimation based upon presence/absence of cognates) ... GA = Gray Atkinson Bayesian MCMC method. WMC = weighted maximum compatibility ...

| PowerPoint PPT presentation | free to download

Phylogenetic Trees I PowerPoint PPT Presentation

Phylogenetic Trees I - a cladogram is a branching diagram describing the phylogenetic relationships of ... A phenogram is generated from phenetic analysis (numerical taxonomy) ...

a cladogram is a branching diagram describing the phylogenetic relationships of ... A phenogram is generated from phenetic analysis (numerical taxonomy) ...

| PowerPoint PPT presentation | free to view

Molecular Evolution - Molecular Evolution

Molecular Evolution

| PowerPoint PPT presentation | free to view

Parcimonie - Parcimonie G n ralit s Principe Orientation de l arbre Caract res Proc dure Algorithme exact Algorithme branch and bound Algorithme heuristique

Parcimonie G n ralit s Principe Orientation de l arbre Caract res Proc dure Algorithme exact Algorithme branch and bound Algorithme heuristique

| PowerPoint PPT presentation | free to download

Human%20Impact%20on%20the%20Evolution%20of%20the%20Cheeta!! PowerPoint PPT Presentation

Human%20Impact%20on%20the%20Evolution%20of%20the%20Cheeta!! - Human Impact on the Evolution of the Cheeta!! Chapt. 22: Constructing and Using Phylogenies One Species from Another!! I DON T BELIEVE IT!!

Human Impact on the Evolution of the Cheeta!! Chapt. 22: Constructing and Using Phylogenies One Species from Another!! I DON T BELIEVE IT!!

| PowerPoint PPT presentation | free to download

Introduction to characters and parsimony analysis - Dog. TAIL (adult) absent. present ... If all kinds of steps of all characters ... Different kinds of transitions and transversions may be more or less common ...

Dog. TAIL (adult) absent. present ... If all kinds of steps of all characters ... Different kinds of transitions and transversions may be more or less common ...

| PowerPoint PPT presentation | free to view

Phylogenetic Systematics PowerPoint PPT Presentation

Phylogenetic Systematics - To reconstruct the phylogenetic history of taxa. To recreate the true branching pattern of evolution. To understand the evolutionary relationships between taxa ...

To reconstruct the phylogenetic history of taxa. To recreate the true branching pattern of evolution. To understand the evolutionary relationships between taxa ...

| PowerPoint PPT presentation | free to view

An Overview of Animal Diversity PowerPoint PPT Presentation

An Overview of Animal Diversity - An Overview of Animal Diversity Questions prepared by William Wischusen Louisiana State University Michael Dini Texas Tech University You discover a new organism, a ...

An Overview of Animal Diversity Questions prepared by William Wischusen Louisiana State University Michael Dini Texas Tech University You discover a new organism, a ...

| PowerPoint PPT presentation | free to download

Monophyletic groups PowerPoint PPT Presentation

Monophyletic groups - A a b c d e f g h I j. OG 1 0 0 0 0 0 0 0 0 0. Sp1 0 1 1 0 0 0 1 1 0 1 ... 'Best' phylogenetic depiction is the one requiring the fewest evolutionary changes. ...

A a b c d e f g h I j. OG 1 0 0 0 0 0 0 0 0 0. Sp1 0 1 1 0 0 0 1 1 0 1 ... 'Best' phylogenetic depiction is the one requiring the fewest evolutionary changes. ...

| PowerPoint PPT presentation | free to view

Parsimony and searching tree-space - Parsimony and searching tree-space

Parsimony and searching tree-space

| PowerPoint PPT presentation | free to view

Principles of Plant Systematics II PowerPoint PPT Presentation

Principles of Plant Systematics II - What Do You Need to Root the Network? You need an outgroup. Outgroups are assumed to have separated from the ingroup lineage before the ingroup diversified; i.e., the ...

What Do You Need to Root the Network? You need an outgroup. Outgroups are assumed to have separated from the ingroup lineage before the ingroup diversified; i.e., the ...

| PowerPoint PPT presentation | free to download

Reconstructing and Using Phylogenies - Reconstructing and Using Phylogenies

Reconstructing and Using Phylogenies

| PowerPoint PPT presentation | free to download

Molecular markers PowerPoint PPT Presentation

Molecular markers - Molecular markers PCR based A-priori sequence knowledge not required * courtesy of Carol Ritland * PCR markers a prior sequence knowledge RAPD AFLP SCARS CAPS AP-PCR ...

Molecular markers PCR based A-priori sequence knowledge not required * courtesy of Carol Ritland * PCR markers a prior sequence knowledge RAPD AFLP SCARS CAPS AP-PCR ...

| PowerPoint PPT presentation | free to view

Teaching about time a biologists perspective PowerPoint PPT Presentation

Teaching about time a biologists perspective - Teaching about time a biologists perspective Biochemistry Physiology Ecology Evolution Origins of biodiversity and estimates of divergence times TIME

Teaching about time a biologists perspective Biochemistry Physiology Ecology Evolution Origins of biodiversity and estimates of divergence times TIME

| PowerPoint PPT presentation | free to download

Intraspecific variation PowerPoint PPT Presentation

Intraspecific variation - Intraspecific variation Variation accounted for by individual, age, and sex differences seen within every biological species Interspecific variation Variation ...

Intraspecific variation Variation accounted for by individual, age, and sex differences seen within every biological species Interspecific variation Variation ...

| PowerPoint PPT presentation | free to download

Phylogenetic supertrees: seeing the data for the trees PowerPoint PPT Presentation

Phylogenetic supertrees: seeing the data for the trees - the fundamental issue: characters versus trees. open questions: are trees data? ... in tRNA, protein folding) and codon structure mean primary mutations may require ...

the fundamental issue: characters versus trees. open questions: are trees data? ... in tRNA, protein folding) and codon structure mean primary mutations may require ...

| PowerPoint PPT presentation | free to download

Phylogenetic Analysis PowerPoint PPT Presentation

Phylogenetic Analysis - Phylogenetic Analysis Caro-Beth Stewart, Ph.D. Associate Professor Department of Biological Sciences University at Albany, SUNY Albany, New York 12222

Phylogenetic Analysis Caro-Beth Stewart, Ph.D. Associate Professor Department of Biological Sciences University at Albany, SUNY Albany, New York 12222

| PowerPoint PPT presentation | free to download

Phylogenetic terms and concepts PowerPoint PPT Presentation

Phylogenetic terms and concepts - Phylogenetic terms and concepts Phylogeny 1. Defined 2. Phylogeny vs. tokogeny 3. Clade and monophyletic group 4. Sister group III. Sources of variation for ...

Phylogenetic terms and concepts Phylogeny 1. Defined 2. Phylogeny vs. tokogeny 3. Clade and monophyletic group 4. Sister group III. Sources of variation for ...

| PowerPoint PPT presentation | free to view

INTERESTED IN RESEARCH NEED A SUMMER JOB APPLY TO THE UNDERGRADUATE BIOLOGY RESEARCH PROGRAM PowerPoint PPT Presentation

INTERESTED IN RESEARCH NEED A SUMMER JOB APPLY TO THE UNDERGRADUATE BIOLOGY RESEARCH PROGRAM - Crocodile. Pigeon. Let's construct a simple phylogeny using 6 vertebrate species ... Crocodile. Lizard. Salamander. Perch. Lamprey. Feathers. Gizzard ...

Crocodile. Pigeon. Let's construct a simple phylogeny using 6 vertebrate species ... Crocodile. Lizard. Salamander. Perch. Lamprey. Feathers. Gizzard ...

| PowerPoint PPT presentation | free to view

Maximum Parsimony PowerPoint PPT Presentation

Maximum Parsimony - ... A polynomial time approximation scheme for inferring evolutionary trees ... Characters A character is a ... often used with morphological traits instead ...

... A polynomial time approximation scheme for inferring evolutionary trees ... Characters A character is a ... often used with morphological traits instead ...

| PowerPoint PPT presentation | free to download

Phylogeny and Systematics PowerPoint PPT Presentation

Phylogeny and Systematics - Title: Phylogeny and Systematics Author: Nancy Wheat Last modified by: NANCY WHEAT Created Date: 2/11/2006 3:37:02 AM Document presentation format

Title: Phylogeny and Systematics Author: Nancy Wheat Last modified by: NANCY WHEAT Created Date: 2/11/2006 3:37:02 AM Document presentation format

| PowerPoint PPT presentation | free to download

Classification and Phylogeny: What PowerPoint PPT Presentation

Classification and Phylogeny: What - 'What's the use of their having names,' the Gnat said, 'if they don't answer to them? ... In the 1700s a Swedish physician and biologist, Carolus Linnaeus, refined ...

'What's the use of their having names,' the Gnat said, 'if they don't answer to them? ... In the 1700s a Swedish physician and biologist, Carolus Linnaeus, refined ...

| PowerPoint PPT presentation | free to view

APPLICATION OF MOLECULAR MARKERS IN THE STUDIES OF PHYLOGENY AND PHYLOGEOGRAPHY: ADVANCES, PITFALLS AND PERSPECTIVES OF DEVELOPMENT PowerPoint PPT Presentation

APPLICATION OF MOLECULAR MARKERS IN THE STUDIES OF PHYLOGENY AND PHYLOGEOGRAPHY: ADVANCES, PITFALLS AND PERSPECTIVES OF DEVELOPMENT - application of molecular markers in the studies of phylogeny and phylogeography: advances, pitfalls and perspectives of development abramson n.i., kostygov a.yu.

application of molecular markers in the studies of phylogeny and phylogeography: advances, pitfalls and perspectives of development abramson n.i., kostygov a.yu.

| PowerPoint PPT presentation | free to download

Chapter%205%20An%20Overview%20the%20Primates PowerPoint PPT Presentation

Chapter%205%20An%20Overview%20the%20Primates - primatologists Scientists who study the evolution, anatomy, ... arm swinging. hominoids Members of the superfamily Hominoidea includes apes (chimpanzees, ...

primatologists Scientists who study the evolution, anatomy, ... arm swinging. hominoids Members of the superfamily Hominoidea includes apes (chimpanzees, ...

| PowerPoint PPT presentation | free to download

Maximum Parsimony - Maximum Parsimony Input: Set S of n aligned sequences of length k Output: A phylogenetic tree T leaf-labeled by sequences in S additional sequences of length k ...

Maximum Parsimony Input: Set S of n aligned sequences of length k Output: A phylogenetic tree T leaf-labeled by sequences in S additional sequences of length k ...

| PowerPoint PPT presentation | free to view

MSA- multiple sequence alignment PowerPoint PPT Presentation

MSA- multiple sequence alignment - How many cars changed spaces during this 2 hour interval? Parking lot 'A' at 2:00 ... are closer to mice or to cattle because different results have been obtained ...

How many cars changed spaces during this 2 hour interval? Parking lot 'A' at 2:00 ... are closer to mice or to cattle because different results have been obtained ...

| PowerPoint PPT presentation | free to download

Dan Graur - Methods of Tree Reconstruction Dan Graur *

Methods of Tree Reconstruction Dan Graur *

| PowerPoint PPT presentation | free to download

BIOGEOGRAPHY PowerPoint PPT Presentation

BIOGEOGRAPHY - Gila Monster (Heloderma) Monitor Lizard (Varanidae) Lanthanotus thought to be ... related to Gila monsters (weird. distribution). It is really. related to ...

Gila Monster (Heloderma) Monitor Lizard (Varanidae) Lanthanotus thought to be ... related to Gila monsters (weird. distribution). It is really. related to ...

| PowerPoint PPT presentation | free to download

morphospace - pocket gophers lice. Gopher and louse phylogenies are significantly congruent. The timing of diversification is significantly correlated in gophers and lice ...

pocket gophers lice. Gopher and louse phylogenies are significantly congruent. The timing of diversification is significantly correlated in gophers and lice ...

| PowerPoint PPT presentation | free to download

MOLLUSCA - ... dinoflagellates key link in marine food webs UNIRAMIA Subphylum Uniramia (uniramians) centipedes, millipedes, insects terrestrial UNIRAMIA uniramous appendages: ...

... dinoflagellates key link in marine food webs UNIRAMIA Subphylum Uniramia (uniramians) centipedes, millipedes, insects terrestrial UNIRAMIA uniramous appendages: ...

| PowerPoint PPT presentation | free to download

Chap.02 The Evolution of Behavior PowerPoint PPT Presentation

Chap.02 The Evolution of Behavior - Title: ThemeGallery PowerTemplate Author: Sung Ha, Park Last modified by: Ayo Cheng Created Date: 8/3/2005 12:51:21 AM Document presentation format

Title: ThemeGallery PowerTemplate Author: Sung Ha, Park Last modified by: Ayo Cheng Created Date: 8/3/2005 12:51:21 AM Document presentation format

| PowerPoint PPT presentation | free to view

Biology 2900 Principles of Evolution and Systematics - Biology 2900 Principles of Evolution and Systematics

Biology 2900 Principles of Evolution and Systematics

| PowerPoint PPT presentation | free to view

Homoplasy PowerPoint PPT Presentations