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BIOLOGY 202L (25)

All Educational Materials for BIOLOGY 202L at Duke University

Gateway to Biology: Genetics and Evolution

[BIOLOGY 202L] - Final Exam Guide - Comprehensive Notes for the exam (35 pages long!)
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Duke BIOLOGY 202L FINAL EXAM STUDY GUIDE find more resources at oneclass.com 1 Bio 202 Midterm 3 1. Be able to explain how to measure the amount of genetic variation for a complex quantitative trait in terms of the heritab...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Study Guide - Midterm Guide: Intron, Zygote, Adaptive Mutation

1 Bio 202 Midterm 3 1. Be able to explain how to measure the amount of genetic variation for a complex quantitative trait in terms of the heritability, and explain how it is both the ratio of the genetic variance to the ...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture Notes - Lecture 1: Parthenogenesis, Twin Study, Chromosome Abnormality

Week 1 (Jan 8-10) 15:28 January 10 1-1: Introduction to Genetics Basic Terms: DNA- hereditary material, comprised of nucleotides (A,C,G,T) Genes- fu...

Biology
BIOLOGY 202L
Mohammed Noor
BIOLOGY 202L Lecture Notes - Lecture 20: Blood Sugar, Lactase, Lactose Intolerance
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Notes: Biology Video on Lactase Appx 10,000 ya people began to domesticate animals, live together, cultivate crops Almost everyone can digest milk as babies but not necessarily as adults oAll infant mammals Lactase: breaks...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture Notes - Lecture 18: Selective Breeding, Molecular Clock, Zygote
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Exam 3 Learning Objectives 1. Be able to explain how to measure the amount of genetic variation for a complex quantitative trait in terms of the heritability, and explain how it is both the ratio of the genetic variance to...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture Notes - Lecture 17: Molecular Clock, Genetic Drift, Chromosome
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Biological Species Concept Two separate species if reproductively isolated from each other where they cooccur Either prezygotic or postzygotic oPrezygotic: prevents hybrids from being formed whatsoever oPostzygotic: reduce...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture Notes - Lecture 23: Lactase, Haplotype, Tibetan Plateau
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Bio 202 Notes 122 Humans East (or South) Africa spread throughout Africa migrated outward to colonize the world (appx. 60,000 years ago) Faced new climates, diseases, and diets Everyone with lactase persistence has a simil...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture 19: Bio 202 Review SUNDAY NIGHT and monday
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Bio 202 Review SUNDAY dNdS ratio of 1 = neutrality >1 amino acid changes are from positive selection <<1 purifying selection to delete the bad mutations otypical = 1 no selection on the protein ochanges toward neutrality a...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture Notes - Lecture 25: Genetic Linkage, Heritability, Statistical Power
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Bio 202 Notes 1130 Human Evolution Article: Look for natural selection in regions of decreased variability with the principle of selective sweep See that human evolution hasnt undergone many recent selective sweeps more li...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture Notes - Lecture 22: Reverse Transcriptase, Opsin, Nucleotide Diversity
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Bio 202 1111 Selective Sweeps Adaptive alleles can sweep to fixation SNPmarker alleles near adaptive allele (0 to low recombination) hitchhike oReduction in pi, nolow nucleotide diversity indicates RECENT EVOLUTION Immedia...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture Notes - Lecture 26: Reproductive Isolation, Assortative Mating, Zygosity
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Bio 202 112, 114 Shared Environmental Variation Tall individuals, for example, might come from the SAME backgroundenvironment as the parents to create a common phenotypic appearance; may not actually stem from genetics Ide...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture Notes - Lecture 24: Genetic Predisposition, Heritability, Genetic Variation
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Bio 202 notes 1028 What might cause evolution? Now we will consider change in a complex quantitative (polygenic) traits How do we describequantify genetic composition of a population? Heritability (H) Different types of na...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture Notes - Lecture 21: Mimulus, Allopatric Speciation, Meiosis
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Bio 202 Notes 1120 Species Concepts Morphological Species oAppearance oIssues: cannot differentiate between convergent evolution and homology Phylogenetic Species Biological Species oSpecies consists of groups of populatio...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture Notes - Lecture 25: Genetic Drift, Selective Sweep, Motoo Kimura
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Bio 202 Lecture 116 Natural Selection via DNA Sequences How can we study adaptation and natural selection by looking at DNAgenome sequences? Looking at obvious differences in genome between species and determine how natura...

Biology
BIOLOGY 202L
John Willis
BIOLOGY 202L Lecture Notes - Lecture 12: Chromosome, Petal, Delaware Route 3
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Bio 202 Notes Lectures 1213 Lecture 12 Focusing on differentiation due to differences in alleles in loci : ComplexPolygenicQuantitative Traits Traits which VARY within a species due to differences in genes, loci, alleles a...

Biology
BIOLOGY 202L
John Willis

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