<prompt> All are autosomal recessive EXCEPT: September 2004Sickle cell anemiaPhenylketonuriaMarfans syndromeWilsons disease  <response>: Ans. C i.e. Marfans syndrome Marfan syndrome is a disorder of connective tissue, manifested principally by changes in the skeleton, eyes, and cardiovascular system. It is transmitted by autosomal dominant inheritance. 