<prompt> Adenosine deaminasc deficiency is seen in the following -Common variable immunodeficiencySevere combined immunodeficiencyChronic granulomatous diseaseNezelof syndrome  <response>: Robbins basic pathology 6th edition. Chapter Diseases of immunity. page no. 235. Severe Combined Immunodeficiency DiseasesSCID is autosomal recessive , most common cause being deficiency of adenosine deaminase enzymeADA. 