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This tag is for general questions related directly or indirectly to the vertebrate immune system, but are not questions directly related to Immunology, the discipline of the study of the immune system.

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Number of different clones of B lymphocytes

My professor told us that there are about a million different B cells based on their surface receptor. I have read that we have about 30000 genes in all. Since receptors are proteins how do these 30 …
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