Principle of Inheritance and VariationHard
Question
A mutant strain of T4-bacteriophage R-II, fails to lyse the E. coli but when two strains R-IIX and R-IIY mixed then they lyse the E. coli What may be the possibl reason?
Options
A.Bacteriophage transfoems in wild
B.It is not mutated
C.Both strains have similsr cistrons
D.Both strains have different cistrons
Solution
The enzymes required for lysing E. coli could not be synthesized by the mutant strain. Two different strains had cistrons for synthesizing two different enzymes which acted together.
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