'Character state' presentation slideshows

Molecular Phylogenetics

Molecular Phylogenetics. Dan Graur. Molecular phylogenetic approaches: 1. distance-matrix (based on distance measures) 2. character-state (based on character states) 3. maximum likelihood (based on both character states and distances). DISTANCE-MATRIX METHODS

709 views • 65 slides

Tree of Life

Tree of Life. Planet Earth is about 4.6 billion years old. Oldest known rocks are about 3.8 billion years old. Oldest fossils (prokaryotes) are about 3.5 billion years old. Tree of Life. All living organisms on this planet share a common ancestor.

949 views • 65 slides

452 views • 44 slides

Reconstructing the History of Lineages

Reconstructing the History of Lineages. Chapter 11. Tereza Jezkova School of Life Sciences, University of Nevada, Las Vegas March 2011. PHYLOGENETICS. study of evolutionary relatedness among organisms (through molecular data and morphological data). Cladograms. Sister taxa. taxon. O. E.

658 views • 38 slides

Systematics and the Phylogenetic Revolution Chapter 23

Systematics and the Phylogenetic Revolution Chapter 23. Introduction All organisms: Are composed of one or more cells Carry out metabolism Transfer energy with ATP Encode hereditary information in DNA Tremendous diversity of life Bacteria-----whales----sequoia trees

326 views • 31 slides

Tree Building

Tree Building. What is a tree ? Cladograms Trees Scenario How to build a tree ? Observations First Principles Assumptions Methods. What is a tree ?. Cladograms and Trees Both are graphs in mathematical terms:

416 views • 23 slides

Representing and Using Phylogenetic Characters in Morphbank

Representing and Using Phylogenetic Characters in Morphbank. Greg Riccardi, David Gaitros, Fredrik Ronquist, Austin Mast, Andrew Deans, Neelima Jammingumpula, Wilfredo Blanco, Katja Seltmann, Karolina Maneva-Jakimoska, Steve Winner. Overview. Morphbank goals Progress update GUID support

287 views • 21 slides

How to construct a Cladogram

How to construct a Cladogram. Vocabulary. Character : an attribute the organism has. A typical character for an animals might be eye color. For plants, it might be petal number. Character state : one of two or more forms of a character.

643 views • 19 slides

Comparative Data Analysis Ontology (CDAO)

Comparative Data Analysis Ontology (CDAO). Francisco Prosdocimi , Brandon Chisham, Julie Thompson, Enrico Pontelli, Arlin Stoltzfus. Objectives. Develop a framework to formalize knowledge in the evolutionary biology domain Formalize an ontology for comparative data analysis

393 views • 18 slides

Building trees

Building trees. The Great Clade Race.

162 views • 8 slides