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Question : A mutant strain to T_4-Bacteriophage, R-II, fails to lyse the E.coli but when two strains R-II^x and R-II^y are mixed then they lye the E.coli. What may be the possible reason :

Answer»

BACTERIOPHAGE TRANSFORMED in wild
It is not mutated
Both STRAINS have SIMILAR cistrons
Both strains have DIFFERENT cistrons

Answer :D


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