PPT-Genetic signatures of natural selection

Jamie Winternitz Institute of Botany and Vertebrate Biology Czech Academy of Sciences Outline of talk The Chimp and the River Negativefrequency dependent selection Phylogenetic methods The Island Fox. Evolution: Teachable Tidbit. Context. : . Introductory biology for science majors . 2 full class periods and a follow-up exam question. Learning Goal. : We want students to understand that natural selection is a phenomenon that applies to their lives. and Evolution. DNA and Heredity . As seen in the section on Taxonomy, modern classification of organisms is being shaped by our understanding of genetics; of DNA.. DNA is a polymer (many molecules attached to one another) of nucleic acids. A nucleic acid is monomer (one molecule) that contains three parts:. G7- I can list examples of changes in genetic traits due to natural and manmade influences. What is Natural Selection?. Write it on your white board. Which of the following is an example of Natural Selection?. A) Directional selection. Chance events . Stabilizing selection . Disruptive selection. Answer Key – LO 1.2. Directional selection is most common wen a population’s environment changes or when members of a population migrate to a new habitat with different environmental conditions than their former one. Stabilizing selection acts against extreme phenotypes and favors intermediates variants. Disruptive selection occurs when environmental conditions favor individuals on both extremes of a phenotypic range over intermediate phenotypes. An example of directional selection is that black bears in Europe increase with size during the colder weather, only to decrease during the warmer weather. An example of stabilizing selection is the birth weights of most human babies lie in the range of 3-4 kg; babies who are much smaller or larger suffer higher rates of mortality. An example of disruptive selections is black- bellied seed cracker finches have two different beak sizes for cracking different types of seeds. . Scott Trainor, Deputy General Counsel, DocuSign. Nic. Wolfe, Corporate Counsel, DocuSign. DOCUSIGN CONFIDENTIAL. Agenda. Primer on Electronic Signatures. State of the Law in California. Exceptions. Case Law Support. Natural Selection does not always proceed in the expected direction, because several forces could interfere with the action of Natural Selection. Constraints on Natural Selection. Genetic . Variation. Introduction. How genetic selection works. Gains due to genetic selection. Use of genomic technology. Future research opportunities. How does genetic selection work?. ΔG = . genetic gain each year. reliability =. Masayuki Abe, NTT. Jens Groth, University College London. Kristiyan. . Haralambiev. , NYU. Miyako. Ohkubo, NICT. Mathematical structures in cryptography. Cyclic prime order group . G. Useful mathematical structure. Message authenticity. Cristina . Onete. || 24/10/2014 || . 2. Amélie. Baptiste. Baptiste is waiting for a message from . Amélie. Message authenticity. How can he make sure it’s really from her?. March 5, 2014. 1. Evolutionary Computation (EC). 2. Introduction to Evolutionary Computation. Evolution is this process of adaption with the aim of improving the survival capabilities through processes such as . Summary. Contract Law. Signatures & Electronic signatures. Authentication of signatures. Problems with electronic signatures. Mitigating risks with electronic signatures. Contract Law. Written contracts. Signature schemes. A . signature scheme . is . defined by . three PPT algorithms . (Gen, . Sign, . Vrfy. ): . Gen: takes as input 1. n. ; outputs . pk. , . sk. Sign: . takes . as input a private key . A) Directional selection. Chance events . Stabilizing selection . Disruptive selection. Answer Key – LO 1.2. Directional selection is most common wen a population’s environment changes or when members of a population migrate to a new habitat with different environmental conditions than their former one. Stabilizing selection acts against extreme phenotypes and favors intermediates variants. Disruptive selection occurs when environmental conditions favor individuals on both extremes of a phenotypic range over intermediate phenotypes. An example of directional selection is that black bears in Europe increase with size during the colder weather, only to decrease during the warmer weather. An example of stabilizing selection is the birth weights of most human babies lie in the range of 3-4 kg; babies who are much smaller or larger suffer higher rates of mortality. An example of disruptive selections is black- bellied seed cracker finches have two different beak sizes for cracking different types of seeds. . Venet. , et al.. PLoS. Computational Biology, 2011. Molly Carroll. Biomedical Research Methods. Characterize mechanism in the model. Derive a marker that changes when the mechanism is altered. Show .