A laci laco lacz lacy hfr strain is mated with an f- laci-, Ask an Expert

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A lacI+ lacO+ lacZ+ lacY+ Hfr strain is mated with an F- lacI- lacO+ lacZ- lacY- strain. In the absence of any inducer in the medium, beta-galactosidase is made for a short time after the lac region has been transferred. Explain why it is made and why only for a short time.

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Category:- Biology
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