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Essential Genetics 6th Edition by Daniel Hartl
Edition 6ISBN: 978-1449686482Essential Genetics 6th Edition by Daniel Hartl
Edition 6ISBN: 978-1449686482 Exercise 20
A mutant strain of E. coli makes ?? -galactosidase in the absence of lactose as well as in the presence of lactose.
(a) What are two likely (haploid) genotypes of this mutant?
(b) When the mutant strain is converted into a partial diploid by introducing an F´ plasmid carrying a wildtype lac operon, synthesis of the LacZ and LacY enzymes becomes inducible. Does this information allow you to specify which of the possibilities in (a) is true?
(a) What are two likely (haploid) genotypes of this mutant?
(b) When the mutant strain is converted into a partial diploid by introducing an F´ plasmid carrying a wildtype lac operon, synthesis of the LacZ and LacY enzymes becomes inducible. Does this information allow you to specify which of the possibilities in (a) is true?
Explanation
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There are mutant strains of E coli that ...
Essential Genetics 6th Edition by Daniel Hartl
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