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Unformatted text preview: Bio 124 Evolution and Organismal Diversity Winter 2012 PTC Lab Report Guidelines Due Date: Week 6 lab (100 points: 9% of total grade) Specification:- Double-spaced- Times New Roman, 12 font Section Details: 1. Introduction (15 points): • 2 pages • Relevant background information about PTC • Rationale for the experiment- What was the goal of the study? - What previous scientific knowledge was utilized? - What did your study demonstrate? • Hypotheses:- Null and alternative hypotheses of Hardy-Weinberg equilibrium for PTC allele 2. Methods (15 points): • 2 pages • Must describe the procedures performed in paragraph form • This MAY NOT be copied directly from the lab document • This should include enough detail to allow the procedure to be repeated by other scientists- Include information about reagents used, specific techniques (DNA isolation, PCR, enzyme digest, gel electrophoresis) and the order of techniques- You can divide into subsections for individual procedures if it aids in organization • Use past tense • Use passive voice o The following link has an explanation of passive voice and other helpful science writing tips. http://writingcenter.unc.edu/resources/handouts- demos/writing-for-specific-fields/sciences 3. Results (30 points): • Table with each group member’s phenotype and genotype • Table with lab section and entire class genotype frequencies (This will be given to you by your TA after this information has been gathered). • Calculations of expected genotype frequencies and observed frequencies • Calculation of Chi Squared test statistics for lab section and entire class Bio 124 Evolution and Organismal Diversity Winter 2012 • Narrative:- Give a written description of the data of each table or figure. This section should NOT include the interpretation of results- Do NOT use words such...
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- Winter '11
- Evolution, Null hypothesis, Organismal Diversity, Chi Squared Test, PTC allele