Which of the following is a genetic disease that results in almost no adaptive immunity due to lack of b and/ or t cells?
agammaglobulinemia
severe combined immunodeficiency
hiv/aids
chronic granulomatous disease

Agammaglobulinemia

Explanation:

Agammaglobulinemia may be defined as the inherited immuno deficiency disorder. The antibodies are present in minute amount in the serum of the affected individual.

Agammaglobulinemia is a type of the medical condition in which the body is unable to produce gamma globulins. The lymphocytes like B and T cells are absent in this disease.

Thus, the correct answer is option (1).

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.