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lac_operon_questions - Given below are the genotypes of...

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Genotype 1. lacI o + Z + 2. lacI S o + Z + 3. lacI + o c Z + 5. lacI s o c Z 4. lacI s o c Z + Penotype A. Lac + inducible B. Lac + constitutive C. Lac Given below are the genotypes of five haploid lac mutants; i.e., the affected genes and sites are arranged in the cis configuration . Allocate the appropriate phenotype, listed under A - C , to each genotype, listed under 1 -5 .
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Given below are the genotypes of six lac merodiploids, i.e., the mutant alleles of affected genes and sites are arranged either in the cis or the trans configuration . Allocate the appropriate phenotype, listed under A - C , to each genotype. Assume there is no glucose in the medium. lacI o + Z + lacI + o + Z 1. lacI S o + Z + lacI + o + Z + 2. lacI + o C Z + lacI S o + Z + 4. lacI o + Z + lacI + o C Z 3. lacI + o C Z lacI –d o + Z + 5. Phenotypes A. Lac + inducible B. Lac + constitutive C. Lac D. Lac + , repressed by IPTG lacI rc o + Z lacI + o C Z + 6.
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1. The lacZ gene is used as a "reporter" gene in plasmids used to
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