<prompt> Glanzman thrombesthenia is due to defect in?Gp IIBIIIAGpIBIXGp IBIIIAGpIIBIX  <response>: Ans. is a i.e., Gp IIB IIIA Glanzmans thromboathenia occurs due to Defect in platelet aggregation resulting from inherited deficiency of glycoprotein IIb-IIIa. Bernard soulier syndrome occurs due to Defect in platelet adhesion due to inherited deficiency or dysfunction of glycoprotein Ib-IX Gp IbIX. 