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11. What is the phenotype of the bacterial strain with the following lac genotype: IP o° Z* Y A:/ IS P* o* Z* Y*A a. lacZ is constitutive, lacY is inducible, lacA is not expressed b. lacZ is inducible, lacY is inducible, lacA is not expressed c. lacZ is constitutive, lacY is not expressed, lacA is not expressed d. lacz is inducible, lacY is not expressed, lacA is not expressed e. lacZ is not expressed, lacY is not expressed, lacA is not expressed

11. What is the phenotype of the bacterial strain with the following lac genotype: IP o° Z* Y A:/ IS P* o* Z* Y*A a. lacZ is constitutive, lacY is inducible, lacA is not expressed b. lacZ is inducible, lacY is inducible, lacA is not expressed c. lacZ is constitutive, lacY is not expressed, lacA is not expressed d. lacz is inducible, lacY is not expressed, lacA is not expressed e. lacZ is not expressed, lacY is not expressed, lacA is not expressed

Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter13: Genes, Chromosomes, And Human Genetics
Section: Chapter Questions
Problem 8TYK: Another gene in Drosophila determines wing length. The dominant wild-type allele of this gene...
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11. What is the phenotype of the bacterial strain with the following lac genotype: | P o° Z* Y A/ IS P* o* Z* Y* A° a. lacz is constitutive, lacY is inducible, lacA is not expressed b. lacZ is inducible, lacY is inducible, lacA is not expressed c. lacZ is constitutive, lacY is not expressed, lacA is not expressed d. lacZ is inducible, lacY is not expressed, lacA is not expressed e. lacz is not expressed, lacY is not expressed, lacA is not expressed
Transcribed Image Text:11. What is the phenotype of the bacterial strain with the following lac genotype: | P o° Z* Y A/ IS P* o* Z* Y* A° a. lacz is constitutive, lacY is inducible, lacA is not expressed b. lacZ is inducible, lacY is inducible, lacA is not expressed c. lacZ is constitutive, lacY is not expressed, lacA is not expressed d. lacZ is inducible, lacY is not expressed, lacA is not expressed e. lacz is not expressed, lacY is not expressed, lacA is not expressed
20. Normal gene order on a fruit fly chromosome is a b c d (cen) e f g. You have recovered a mutant with the pericentric inversion A BFE (cen) D C G. In a fruit fly heterozygous for wild type and inversion chromosomes, a double crossover has occurred: one between loci E and F, and the other between loci C and D. What would be the resulting chromosomes? a. A B F e (cen) d c b a and gfE (cen) D C G b. A B FE (cen) D c b a and g fe (cen) d C G c. A B Fe (cen) d C G and a b c D (cen) E fg d. All of the above are possible e. None of the above
Transcribed Image Text:20. Normal gene order on a fruit fly chromosome is a b c d (cen) e f g. You have recovered a mutant with the pericentric inversion A BFE (cen) D C G. In a fruit fly heterozygous for wild type and inversion chromosomes, a double crossover has occurred: one between loci E and F, and the other between loci C and D. What would be the resulting chromosomes? a. A B F e (cen) d c b a and gfE (cen) D C G b. A B FE (cen) D c b a and g fe (cen) d C G c. A B Fe (cen) d C G and a b c D (cen) E fg d. All of the above are possible e. None of the above
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