'Gene copies' presentation slideshows

THE ORGANIZATION AND CONTROL OF EUKARYOTIC GENOMES

THE ORGANIZATION AND CONTROL OF EUKARYOTIC GENOMES. Section A: Eukaryotic Chromatin Structure. Section A: Eukaryotic Chromatin Structure. 1. Chromatin structure is based on successive levels of DNA packing. Introduction.

983 views • 75 slides

Gene flow

Gene flow. Natural populations of a species typically are not completely isolated, but instead exchange genes with one another to a greater or lesser extent Gene flow, if unopposed by other factors, homogenizes a population. Models of Gene flow. Island models Stepping stone models

1.89k views • 69 slides

Population Structure and Drift

Population Structure and Drift. Chapter 11. Conservation Genetics. Illinois Greater Prairie Chicken Tympanuchus cupido pinnatus 200 years ago Illinois was covered with prairie with millions of greater prairie chickens Introduction of steel plow decimated prairie habitat

751 views • 62 slides

Genetic drift

Genetic drift. Guest lecture by Kim van der Linde. Hardy-Weinberg equilibrium. Infinite populations Gene frequencies remains constant over generations What if populations are finite? Sampling error. Genetic drift versus natural selection. Selection: fitness of alleles differs

937 views • 28 slides

Ancient Polyploidy

Alice Ecker February 27th, 2007. Ancient Polyploidy. Ancient Polyploidy. Definition (ancient vs. neopolyploidy) Importance of ancient polyploidy Known ancient genome doublings: Saccharomyces Arabidopsis. Ancient vs. Neopolyploidy. Neopolyploidy is characterized by...

615 views • 28 slides

346 views • 22 slides

Introduction to Bioinformatics

Introduction to Bioinformatics. Lecturer: Dr. Yael Mandel-Gutfreund Teaching Assistant: Martin Akerman. http://biology.technion.ac.il/courses/common/index.asp?CourseID=236523. Course Structure and Requirements. Class Structure 2 hours Lecture 1 hour tutorial 2. Home work

404 views • 18 slides

Coalescent Theory

Coalescent Theory. Considers the genealogical history of genes in populations Uses DNA sequence data to make inferences about population size, genetic structure, and evolutionary processes. Coalescent Process. t 2. t m is time for coalescence from m to m-1 sequences. t 3.

780 views • 15 slides