<prompt> Edwards syndrome isTrisomy 21Trisomy 18Trisomy l35P  <response>: TRISOMY 18: EDWARDS SYNDROME Characterised by Prominent occiput Mental retardation Micrognathia Sho neck Overlapping fingers Congenital hea defects Renal malformations Limited hip abduction Low set ears Robbins Basic Pathology,9th edition,pg no. 238 