Means of generating diversity in the variable regions

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Which of the following is NOT a means of generating diversity in the variable regions of the T cell receptor genes?

Cleavage at the coding-heptamer RSS junction by RAG-1/2
Somatic hypermutation following activation
Hairpin cleavage by Artemis to generate P nucleotides
Addition of N nucleotides by TdT
All of the above generate diversity in the variable regions of the T-cell receptor genes.

Reference no: EM131000257

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