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UCONN BIOLOGY ECE 1108
Unit IV Exam Study Guide
Ch. 22(Descent with Modification)
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Darwin’s theory
Common ancestors
Rock strata / Age of fossils
Fitness
Natural Selection
Environmental Pressures
Homologous structures vs Convergent evolution
Resistance
Ch. 23(Population Genetics)
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Hardy Weinberg(p2,q2,2pq,p,q)
Homozygous/Heterozygous
Phenotype/Genotype frequencies
Genetic drift
Gene flow
Disruptive, stabilizing, directional selection
Sexual selection
Nucleotide variability, similarities in genetic code
Ch. 24(Origin of Species)
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Reproductive barriers
Causes of Speciation
Allopatric/Sympatric speciation
Polyploidy
Hybrid zones
Punctuated equilibrium
Closely related species, common ancestors
Species concepts(biological, morphological, phylogenic, ecological)
Ch. 25(The History of Life on Earth)
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Exaptations(examples)
Hox Genes
Oxygen revolution(causes, results)
Endosymbiotic hypothesis(mitochondria, chloroplasts, prokaryotes, eukaryotes)
Continental drift, Pangaea
Half-life(radiometric dating)
Origins of life(sequence)
Tetrapods
Ch. 26(Tree of Life)
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Phylogenic trees, outgroups
Links between 3 domains of life
Kingdoms
Highly conserved genes
Common ancestors
Molecular clock
Orthologous genes
Horizontal gene transfer
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