<prompt> Infeility in Kaagener syndrome is due to?OligospermiaBlockage of epididymisAsthenospermiaUndescended testis  <response>: Asthenospermia or poor sperm motility is due to missing dynein arms, which is the basic defect of Kaageners syndrome. It is a ciliopathic, autosomal recessive genetic disorder. Around 90 of individuals with kaageners have ultrastructural defects affecting proteins in the outer andor innerdynein arms. Triad consist of:- - situs inversus - chronic sinusitis - bronchiectasis. 