You have two wild-type haploid yeast strains: one has the a-mating phenotype, and the other the a-mating phenotype. You

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You Have Two Wild Type Haploid Yeast Strains One Has The A Mating Phenotype And The Other The A Mating Phenotype You 1 (621.78 KiB) Viewed 11 times

You have two wild-type haploid yeast strains: one has the a-mating phenotype, and the other the a-mating phenotype. You mutagenize both strains independently and identify colonies of each that can grow on rich media, but cannot grow on minimal media unless arginine is added. You identify 11 colonies from the a strain (numbered 1-11 in the table below) and 13 from the a strain (numbered 12-24 in the table below). You mate each of the 11 a strains with each of the 13 a strains and ask whether the resulting diploids can grow on minimal media lacking arginine (+ phenotype), or cannot grow on minimal media lacking arginine (- phenotype). Based on this information and the data in the table below, determine how many genes have been identified in this mutant hunt and how many alleles of each. Assume each independent isolate is a distinct allele. Based on this information, answer the following four questions. a 1 2 3 4 5 6 7 8 9 10 11 α 12 13 ++ + ++++ + + + ++ +++++ + + + 14 ++ + + + + ++ + ++++++++++5 15 16 + ++++++ ++ 17 18 19 20 21 + + + + ++ + + ++ + + +++ + + + + + ++++++ + + + + ++ +++ + + + + ++++++++++ 22 ++ - ++++ + + + 23 ++++ + + + + ++ 24 ++++++ ++ +
Which a strains contain alleles of the same gene that is mutated in strain 1? Select all that apply. Select one or more: a. 21 0 00 > > b. 16 c. 24 d. 20 e. 23 f. 17 g. 12 h. 13 i. 18 j. 14 Ok. 19 OI. 22 Um. 15
Based on the information you deduced from the previous question, you should be able to use the information in the table to determine which a strains also contain allele of the same gene that is mutated in strain 1. Which of the following strains contain alleles of the same gene that is mutated in strain 1? Select all that apply. Select one or more: a. 7 U r U U U b. 3 c. 10 d. 9 e. = f. 2 g. 8 h. 4 i. 6 Oj. 5
Which a strains contain alleles of the same gene that is mutated in strain 10? Select all that apply. Select one or more: 18 0 U c. U U 0 0 a. 0 b. 24 2 17 d. 16 e. 20 f. 15 g. 21 h. 22 i. 19 j. 13 k. 12 I. 14 m. 23
Based on the information you deduced from the previous question, you should be able to use the information in the table to determine which a strain(s) also contain allele of the same gene that is mutated in strain 10. Which of the following strains contain alleles of the same gene that is mutated in strain 10? Select all that apply. Select one or more: a. 8 > 0 0 b. 9 C. 10 d. 7 e. 6 f. 2 g. 5 h. 4 Oi. 3 Oj. 11