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barry barry
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Posts: 11630
11 years ago
If a cell has the partial diploid genotype    lacI+    lacO+   lacZ-   lacY+
   _______________________
   lacI- l acO+   lacZ+    lacY-    ,

how will its gene expression in the presence of allolactose?
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Educator
11 years ago
The lacI+ gene is dominant over lacI-, and the operator is functional. Similarly, the wild-type (+) versions of the lacZ and lacY genes are dominant. So, this construct should function normally in the presence of allolactose.
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