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Title: If a cell has the partial diploid genotype lacI+ lacO- lacZ+ lacY+ ______ Post by: barry on Jul 16, 2012 If a cell has the partial diploid genotype lacI+ lacO- lacZ+ lacY+
______________________ lacI- lacO- lacZ+ lacY- , how will its gene expression function in the presence of allolactose? Title: Re: If a cell has the partial diploid genotype lacI+ lacO- lacZ+ lacY+ ______ Post by: bio_man on Jul 16, 2012 In this construct, lacI+ gene is dominant over lacI-, which means repressor protein is produced. Both copies of the operator are defective, however, and the repressor cannot bind to it. The structural genes will therefore be constitutively produced.
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