The immunological consequence of severe combined immunodeficiency disease (SCID) caused by a genetic defect in either RAG-1 or RAG-2 genes is
a. lack of somatic recombination in T-cell receptor and immunoglobulin gene loci
b. lack of somatic recombination in T-cell receptor loci
c. lack of somatic recombination in immunoglobulin loci
d. lack of somatic hypermutation in T-cell receptor and immunoglobulin loci
e. lack of somatic hypermutation in T-cell receptor loci.
A
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