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Incorporating the Students into the Lab Experience

Incorporating the Students into the Lab Experience. Ann Yezerski, Ph.D. King’s College Biology Department Chair. Using the Students is NOT new. Physiology Neuroscience Microbiology Genetics Blood typing Physical traits PTC tasting. http://www.sph.umn.edu/epi/history/lab.asp.

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Incorporating the Students into the Lab Experience

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  1. Incorporating the Students into the Lab Experience Ann Yezerski, Ph.D. King’s College Biology Department Chair

  2. Using the Students is NOT new • Physiology • Neuroscience • Microbiology • Genetics • Blood typing • Physical traits • PTC tasting http://www.sph.umn.edu/epi/history/lab.asp http://learn.genetics.utah.edu/content/begin/traits/ptc/

  3. Why This Version IS New • Not measuring well-documented data • Not a demonstration exercise • Potentially collecting usable data • Illustrates the foundations of science • Research is not conducted with a known result • Experimental design • Sources of error • Other component of genetics

  4. Basis of Genetics • Trait = Genes and Environment • Historically measured the trait • Hair characteristics • Handedness • PTC tasting • Modern genetics techniques allow for the observation of gene versions (genotypes)

  5. SNP’s • Single Nucleotide Polymorphisms • Very small differences in DNA • Detectable with genetic techniques

  6. Traits Used • Dyslexia • Yezerski, A.(2010) Genotyping SNP’s associated with dyslexia. in Tested Studies for Laboratory Teaching***, 31(1): pp. 225-236. • PTC tasting • McMahon, K. A. (2008). Supertasters—Updating the taste test for the A & P laboratory, in Tested Studies for Laboratory Teaching, 29 (1): pp. 398-405. • Malaria Resistance • Yezerski. Accepted for presentation, ABLE Annual Conference, 2012

  7. Benefits • Using techniques actually used in labs • Results are not known • Students aren’t compelled to “fudge” the data • Data is more meaningful when you have to interpret it • Data could reach a publishable level • Students learn something about themselves

  8. Negatives • Difficult techniques that do not always produce data • Students have not yet mastered molecular biology • Learn something about the real nature of science (okay, that’s a pro) • Molecular techniques are more expensive • Ethics • DNA collection and storage • “Conditions”

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