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Transcript
• Environments can be “stable” or fluctuating, and this affects evolutionary rate and direction; different variations can be selected in each generation. • What evidence do you have from the Grant’s finch study to support this claim? Evolution: three coordinated legs Quick review of genetic vocab • Gene vs allele • Phenotype vs Genotype • Dominant/Recessive • Homozygous vs heterozygous • What does natural selection act DIRECTLY upon? • What does natural selection act INDIRECTLY upon? • Does the environment direct new phenotypic variation? Father of Genetics Gene Pool Diversity • Gene Pool: • What maintains genetic diversity in a gene pool? • What would decrease diversity in a gene pool? Microevolution and population genetics • Allele frequencies • Breeding Bunnies anyone? Battling Beetles Lab • Follow the instructions for squishing. • Rock Pocket Mouse Video: http://www.hhmi.org/biointeractive/making-fittest-natural-selectionand-adaptation Class Data Before After
