Mutation in CRISPR gene In a strain of bacteria, a mutation changes the sequence

Question

Mutation in CRISPR gene In a strain of bacteria, a mutation changes the sequence of repeat 2 in the CRISPR gene (see figure). How will this affect bacterial immunity? 4 Multiple Choice The bacteria not have adaptive immunity against any second infections The bacteria will have adaptive immunity against second infection with bacteriophage A, but not B, C, or D. The bacteria will have no defense against the first infection with any bacteriophage The bacteria will have adaptive immunity against second infection with bacteriophage A, C, and D, but not B

Explanation / Answer

Option 3rd is right because crisper is defence system of bacteria and mutation in crisper gene stopes the functioning of crisper defence system.

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