Symbols_Formulas - Symbols and formulas to know &...

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Symbols and formulas to know & understand
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Symbols • Mutation rate: µ • Recombination rate: r • Frequency of an allele: p or q=1-p • Phenotypic variance for quantitative trait: V P • Genetic variance: V G • Additive variance: V A • Environmental variance: V E • Relative fitness: w • Selection coefficient: s (one locus) , S (quantitative trait) Δ : change in a parameter (e.g. p) from one generation to the next
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Symbols (cont’d) AB , g aB , g Ab , g ab • Linkage disequilibrium: D • Heritability: h 2 • Response to selection on a quantitative trait: R • Effective population size: N e • Heterozygosity (freq. of heterozygotes): H • Proportion of migrant individuals: m • Rates of synonymous (d S ) and non- synonymous (d N ) substitutions
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Formulas • Calculations of allele frequencies and expected genotype frequencies under H-W model. • Calculation of relative fitness, w, and selection coefficient, s. • Calculation of D from frequencies of gametes
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This note was uploaded on 09/28/2008 for the course BIOEE 2780 taught by Professor Geber during the Fall '07 term at Cornell University (Engineering School).

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Symbols_Formulas - Symbols and formulas to know &...

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