<prompt> List the odd one out among the followingTrisomy 18 Noonan syndromeTrisomy 21 Downs syndromeTrisomy 18 Edwards synd.Trisomy 13 Patau synd.  <response>: Trisomy 18 is Edward syndrome not Noonan syndrome. Noonan syndrome occurs in both males and females with a normal karyotype46,XX and 46,XY. Refer to the image below. 