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Lecture 1: Introduction to Population Genetics
August 20, 2012
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Instructors Steve DiFazio Hari Chhetri (TA)
5200 Life Sciences Building Office Hours: Mon, Wed, Thurs 1 to 2 pm Hari Chhetri (TA) 5206 Life Sciences Building Office Hours: Tue, Wed, Fri 11:30 to 12:30 Please use office hours, or make appointment!
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Course Structure Two 50-minute lectures per week
Do readings before class Bring a calculator to class Be ready to participate! Handouts of lecture slides will usually be distributed at beginning of class Slides posted to website after class (don’t print old slides) One 2-hour lab session, 6:30-8:20 each week
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Grading Exam 1, Sept 26, 120 points Exam 2, Oct 31, 120 points
Weekly Lab Reports, 12 X 10 pts = 120 points Final Exam, Monday, Dec 11, 11 am, 3131 LSB, 140 points Extra credit opportunities Scale for final grades: (no curve)
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or Google “difazio popgen”
Class Website or Google “difazio popgen” Home page has information from syllabus: Course structure Grading Rules and policies
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Schedule Page Updated continuously during course
Lecture slides available following lecture Reading assignments Exam schedule Lab schedule
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Required Text Hedrick, P.W Genetics of Populations. Jones and Bartlett Available from WVU book store Also partially on Google Books (searchable)
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Supplemental Reading Mountain Lynx
Three books on reserve in WVU downtown library: Hamilton, M Population Genetics. Gillespie, J.H Population Genetics: A Concise Guide. Falconer, D.S., and T.F.C. Mackay Introduction to Quantitative Genetics. Mountain Lynx
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Supplemental Reading
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Other Resources
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Laboratory TA: Hari Chhetri Tightly linked to lectures
Intended as “Active Learning” modules Enhance understanding of concepts and principles Provide hands-on introduction to Population Genetics software Every Wednesday evening, 6:30 to 8:20 pm 3306 Life Sciences Building (Biology computer lab) Bring a calculator and your lab manual
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Required Lab Manual Slavov, G, E. Rodgers-Melnick, and S.P. DiFazio BIOL 464/GEN 535 Population Genetics Laboratory Manual. WVU Press. 107 Pages. Available only from WVU book store (~$20) Please purchase by this Wednesday, August 22
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Extra Credit Opportunity
Find a new error in the Lab Manual or Text Typo/grammatical error: 1 point Calculation, derivation or mathematical error: 5 points First come, first served
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Laboratory Web Page Schedule of lab topics
Links to required software and data Due dates for lab reports
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Lab Reports Lab reports due at beginning of lab period
12 total, worth 10 points each Deduct 0.5 points for each day late Last report is optional: up to 10 pts extra credit Guidelines for lab report are in lab manual and/or paper versions are fine Most weeks require a write-up with interpretations for each calculation or simulation Please be careful to fully answer questions, including explanations of results from biological standpoint
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Working Together and Academic Honesty
Group work in laboratory is optional but encouraged It is fine to discuss lab problems and work on them together HOWEVER, your lab report must be your original work See academic honesty policy on class website Exams are based primarily on the lab exercises and examples worked in class
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Highlights from the Schedule
Introduction to Probability Genetic variation in populations: Hardy-Weinberg Equilibrium Selection Inbreeding Genetic drift Gene Flow and population structure Phylogenetics Genetic identity and forensic identification Coalescence and neutral theory Linkage disequilibrium Quantitative genetics Tying genotypes to phenotypes
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What is Evolution?
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Evolutionary Synthesis
Sewall Wright Fisher, Wright, and Haldane were fathers of population genetics and modern evolutionary theory Working in early 1920’s, worked out how to apply Mendel’s laws in a population context to provide mechanistic explanation for evolutionary change R.A. Fisher J.B.S. Haldane
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Population Genetics Diversity
Study of heritable variation in assemblages of organisms, and how this is affected by mutation, drift, selection, and gene flow Mutation + Drift - Diversity Selection +/- Migration +
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Population Genetics is Important
Disease susceptibility, genetic testing, and personalized medicine Statistical interpretation of forensic DNA evidence Human evolution and cultural history Crop and animal improvement Traditional breeding Genetic engineering Conservation plans for plant and animal communities Responses of plant and animal communities to climate change
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