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

Options

A. Non - recombinant bacteria containing `beta` - galactosidase
B. Insertional inactivation of `alpha` galactosides non - recombinat bacteria
C. Insertional inactivation of `alpha` - galactosidase recombinant bacteria
D. Inactivation of glycosidase enzyme in recombinant bacteria

Answer

A