In lac operon, ‘i' gene codes for

Inducer of lac operon

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Repressor of lac operon

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Hydrolysis of disaccharide

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Permease

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Solution

The correct option is B
Repressor of lac operon

i – gene codes for inhibitor or repressor. Z-gene codes for $β$ -galactosidase for hydrolysis of lactose (disaccharide). Lactose is the repressor of lac operon. Y – gene codes for lactose permease.

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