BIO 325L Lecture 3 - This week in lab 1 Quiz Turn in...

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This week in lab… Quiz Turn in homework and writing assignment Lab activities Delete parental generation (p. 21) Sordaria part 2 (p. 57-58) 1
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What do you need to turn in? Writing assignment #2: Intro and thesis statement, article summaries, citations and references Minimum 4 paragraphs total Penalty for late submissions! Fly notation and white-eyed mutations homework Prelab/homework assignment Includes Sordaria results questions Practical test, in lab: sex flies 2
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Today in lecture Writing stories Sordaria and crossing over Linkage and inheritance patterns 3
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Science writing Good writing tells a “story” Sequence of events Reflection Raising questions and answering them http://www.youtube.com/watch?v=loxJ3FtCJJA Peruse the writing tips document posted on Blackboard 4
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Life-cycle of Sordaria Terminology: mycelium - filamentous growth perithecium - bag full of asci ascus - product of one zygote that has undergone meiosis and mitosis, eight ascospores 5
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Why Sordaria? Haploid/diploid Haploid parents combine to form diploid zygotes Different strains can be easily combined Zygotes undergo meiosis to produce haploid spores Haploid spores always express their genotype (no other copies to mask the allele) Ferns make spores too, but most of life cycle is spent in diploid state Organized Sordaria has ordered and linear arrangement 6
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BIO 325L Lecture 3 - This week in lab 1 Quiz Turn in...

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