Midterm_I_Fall_11_Answer_key_ZW

Midterm_I_Fall_11_Answer_key_ZW - Name ID BIS101-01 Fall...

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Name:_________________________ ID:__________________________ BIS101-01, Fall 2011 Dr. D.J. Kliebenstein, Instructor Midterm Exam I The exam has 60 questions and a total of 120 points The test is split into distinct sections with space provided to solve the problems and then numbered questions for each section. The total number of questions is 60 and they are sequential across all the sections. Workspace is provided on this form to complete the questions and then answer the multiple choice questions that follow each section. In Section I, you have more than just A/B/C/D/E as options to answer each question. You should fill in all requisite circles to answer the question in this section. To reiterate, this is only true for Section I.
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Name:_________________________ ID:__________________________ Section I. Fill in each of the following Question blanks with the most appropriate description to the right. Some of the possible answers require you to fill in multiple bubbles on the key such as ABC would require all three circles (A/B and C) filled in for a proper answer. An answer can only be used once and each question has only one best answer. 1.Transformation: BD A. A cross between an unknown genotype and a homozygote involving three genes. 2. Test Cross: ADE B . A cross between two heterozygous individuals. 3.Trait: CD C . A relationship between alleles that can be seen with a single phenotype. 4. Phenotype: D D . The precise measure of a trait that describes an individual. 5. Dominance: ACD E . A 9:3:3:1 ratio. 6. Epistasis: DE AB . A cellular process allowing the maintenance of ploidy from one cell to the next. 7. Linkage: BE AC . A process that can test how many genes are polymorphic within a collection of mutants. AD .Any cross between an unknown genotype and a homozygous recessive. AE . The process of DNA transfer in prokaryotes that involves a phage. 8.Mitosis: AB BC . The process of mating between prokaryotes that involves an F plasmid. 9. Conjugation: BC BD . The process of DNA transfer in prokaryotes that involves naked DNA and electroshock therapy. BE . Recombination is required to break this. CD . A measurable aspect that can be used to describe an individual. CE . A relationship between alleles of a single gene whereby you need multiple phenotypes to see this. DE . The fact that two genes can control a single trait. ABC . A relationship between alleles of a single gene where the heterozygote is intermediate. ABD . The physical association of one gene on the chromosome that determines gender. ABE . A variant of a locus. ACD . How two alleles interaction is described. ACE . The physical association of one gene on the chromosome that determines male gender. ADE . A cross between an unknown genotype and a homozygote involving two polymorphic genes.
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Name:_________________________ ID:__________________________ Section II. The researcher studying sweaty flavored yeast in the Viticulture and Enology department identifies a number of NEW color variants and needs your help in their genetic analysis. All mutant lines were shown to be true breeding. To test the number of genes/complementation and the allelic relationships, the researcher crossed all of the mutants to each other and to the wildtype. Use the space provided to solve this problem and answer the ensuing questions. For consistence with the
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