It is estimated that humans can produce over 1.5 million different types of antibodies. Which of the following statements regarding this extraordinary variation is INCORRECT?
A. We inherit over 1.5 million different and distinct immunoglobulin genes from our parents at fertilization.
B. V and J domains of antibody light chains are randomly joined.
C. Random segments of DNA can be removed from antibody genes.
D. Cytosines in the variable regions of antibody genes can be converted to uracils via hypermutation.
E. V and J domains of antibody heavy chains are randomly joined.
Answer: A
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