Question: Write the partial diploid genotype for a strain that will (a) Produce -galactosidase constitutively and permease inducibly and (b) Produce -galactosidase constitutively but not permease

Write the partial diploid genotype for a strain that will

(a) Produce β-galactosidase constitutively and permease inducibly and 

(b) Produce β-galactosidase constitutively but not permease either constitutively or inducibly, even though a Y+ gene is known to be present. 

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