Which of the Following Is NOT a Means of Generating

Multiple Choice

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

A) Cleavage at the coding-heptamer RSS junction by RAG1/2
B) Somatic hypermutation following activation
C) Hairpin cleavage by Artemis to generate P nucleotides
D) Addition of N nucleotides by TdT
E) All of the answers generate diversity in the variable regions of the T-cell receptor genes.