The assertion is true. Because of a genetic abnormality that inhibits immunoglobins and T cells from properly forming and expressing, people with severe combined immunodeficiency syndrome (SCID) lack adaptive immunity.
SCID (combined immunodeficiency) patients have a genetic abnormality that affects T cells and at least one other kind of immune cell. Which immune cells—T, B, and/or NK cells—are damaged determines the different types of SCID. SCID comes in a variety of forms, each of which is brought on by a unique genetic (hereditary) flaw.
This means that the stated statement is accurate. In persons with severe combined immunodeficiency syndrome (SCID), adaptive immunity is absent due to a genetic anomaly that prevents immunoglobins and T cells from properly developing and expressing.
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