'Neutral theory' presentation slideshows

Computational Emergence, Robustness and Realism : Considering Ecology and Its Neutral Models

Computational Emergence, Robustness and Realism : Considering Ecology and Its Neutral Models. Philippe Huneman, Institut d'Histoire et de Philosophie des Sciences et des Techniques, Paris. I. computational emergence. I. The concepts of emergence. 1. Unpredictability

933 views • 60 slides

Evolution of Genes and Genomes

Evolution of Genes and Genomes. Chapter 19. The impact of molecular biology on evolutionary biology has been so profound that it is hard to imagine that evolutionary biology could experience further methodological and conceptual shifts of similar magnitude. Evolution of Genes and Proteins.

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A Probabilistic Test of the Neutral Model

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Lecture VI: Molecular and Genomic Evolution

Lecture VI: Molecular and Genomic Evolution. EVOLUTIONARY GENOMICS: The Ups and Downs of Evolution Dennis Normile

475 views • 34 slides

Tropical Marine Sciences and Grids(?)

Tropical Marine Sciences and Grids(?). Ian Atkinson(JCU), Scott Bainbridge & Stuart Kininmonth (AIMS) AIMS@JCU Ian.Atkinson@jcu.edu.au S.Bainbridge@aims.gov.au S.Kininmonth@aims.gov.au http://www.jcu.edu.au/hpc http://www.aims.gov.au/adc http://www.qpsf.edu.au. AIMS.

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Tomer Gueta, Avi Bar- Massada and Yohay Carmel

324 views • 32 slides

Selection on phenotype/behavior changes the underlying genetics (allele frequencies)

Selection on phenotype/behavior changes the underlying genetics (allele frequencies). Directional selection on allele frequency. FF has highest fitness SS has lowest fitness. Selections alters the allele frequency of the pop.

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Genealogies I: Introduction to Coalescent Theory

Genealogies I: Introduction to Coalescent Theory. Jon Wilkins Santa Fe Institute wilkins@santafe.edu Beijing CSSS 2008. Ingredients of Natural Selection. Heritable variation Differential reproductive success Causal connection between the two. Population Genetics.

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Functional Traits and Niche-based tree community assembly in an Amazonian Forest

Functional Traits and Niche-based tree community assembly in an Amazonian Forest. Kraft et al. 2008. Co-existence Theories. 1) Niche Differentiation. Soil 1. Soil 2. Co-existence Theories. 1) Niche Differentiation. Soil 1. Soil 2. Co-existence Theories.

285 views • 18 slides

The Importance of Niches for the Maintenance of Species Diversity

The Importance of Niches for the Maintenance of Species Diversity. Levine & HilleRisLambers (2009) Nature 461:254. How is ecological diversity maintained?. Classic Theory Neutral Theory. Classic Theory Coexistence requires competitors to differ in their niches

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break

Population genetics. break. coalesce To grow together; fuse . To come together so as to form one whole; unite : The rebel units coalesced into one army to fight the invaders. The coalescent. 4Nu determines the level of variation under the neutral model:. The coalescent.

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Change in frequency of the un banded allele (q) as a function of q for island populations.

Change in frequency of the un banded allele (q) as a function of q for island populations. Strong selection for q, little migration of pp, pq. Equilibrium points. Gene Substitution. Allele substitution/fixation: Process whereby one allele replaces an existing allele.

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Genes in populations

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4. Our development

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