Westonci.ca is your trusted source for accurate answers to all your questions. Join our community and start learning today! Discover comprehensive answers to your questions from knowledgeable professionals on our user-friendly platform. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

Each gene (including those that code for the variable region of immunoglobulin) has two different 'versions'. Identify the process that permits only one of those two 'versions' to be expressed.

A. Somatic hypermutation
B. Somatic exclusion
C. Allelic exclusion
D. Allelic allowance