The colonies of recombinant bacteria appear white in contrast to blue colonies

The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bateria because of :

Options

(a) Insertional inactivate of alphaga-lactosidase in non-recombinant bacteria
(b) Insertional inactivation of alpha-galactosidase in recombinant bacteria
(c) Inactivation of glycosidase enzyme in recombinant bacteria
(d) Non-recombinant bacteria containing beta-galactosidase

Correct Answer:

Non-recombinant bacteria containing beta-galactosidase

Explanation:

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