Week 1 - bio 112

Week 1 - bio 112 - Biol 112 Section: 507 TA: Krishna...

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Biol 112 Section: 507 TA: Krishna Develpally Email: kdevelpally@mail.bio.tamu.edu Office Hours: @317 HELD Ph No.: 979 845 4653 Thursday: 6:00 PM - 8:00 PM Welcome to BIOL 112
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Evidence of Evolution Lab Manual, Pg. 1
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Lab Safety – BIOL 112 The Theory of Evolution Goggles and closed-toed shoes are required. No Food and drink in class. All Cell phones must be switched off. Take appropriate precautions when handling blood samples . Gloves and goggles must be worn. Discard used tips in tip disposal containers located on the lab benches. Discard agarose gels in the biohazard container located on the side bench. Clean up any blood spills with the bleach solution located on the TA desk and alert your TA. Flasks of agarose are hot! Use hand protection when handling the agarose flasks. Electrophoresis equipment runs at potentially lethal voltages! Make sure that the power supply is set to minimum volts before operating. Obtain instructor approval before turning on the power supply. Do not run at voltages above 103 volts.
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Objectives Describe the conditions for a population to be in Hardy-Weinberg equilibrium. Describe the importance of genetic variation to evolution and explain how changes in gene frequency can be used to study evolution. Conduct Electrophoresis to examine human hemoglobin genotypes
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Objectives (Contd.) Conduct a simulation to investigate the effects of selection on allelic frequencies of a population. Conduct a simulation to investigate the effects of genetic drift on allelic frequencies in a population Explain heterozygote advantage and how it may maintain alleles in a population.
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Population Genetics Terminology Population A group of individuals of the same species living in the same area. Species A group of individuals able to interbreed. Gene pool All the alleles in a population.
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Terminology (Contd.) Gene unit of DNA that determines a trait Allele different forms of a gene B = brown eyes / b = blue eyes Genotype genetic makeup of an organism Phenotype physical appearance of an organism (based on genotype and environment)
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Are populations static?
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This note was uploaded on 04/03/2012 for the course BIOL 112 taught by Professor Vaughn during the Fall '08 term at Texas A&M.

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Week 1 - bio 112 - Biol 112 Section: 507 TA: Krishna...

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