Chapter 23

Chapter 23 - Chapter 23-The evolution of populations...

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Chapter 23-The evolution of populations - Population Genetics: o Population: A localized group of individuals belonging to the same species o Species: A group of populations whose individuals have the potential to interbreed to produce fertile offspring o Gene pool: The total aggregate of genes in population at any one time o Population Genetics: The study of genetic changes in populations o Modern Synthesis/ neo- Darwinism Can’t contribute gene = can’t survive Ex. 500 plants alleles o “Individuals are selected, but populations evolve.” - Hardy- Weinberg Theorem o Serves as a model for the genetic structure of a non evolving population (equilibrium) o 5 conditions: for no evolving Very large population size No migration No net mutations Random mating No natural selection o Not likely to occur in Hardy- Weinberg equilibrium o Deviate form stability/ equilibrium= evolution - Hardy Weinberg Equation o P= frequency of one dominate allele
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This note was uploaded on 10/31/2011 for the course BIO 102 taught by Professor Robinson during the Spring '09 term at UPenn.

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Chapter 23 - Chapter 23-The evolution of populations...

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