<prompt> Obesity with mental retardation is seen in -Prader-Willi syndromeTurner syndromeFragile-X syndromeNoonan syndrome  <response>: Ans. is a i.e., Prader-Willi syndrome o Prader-Willi syndrome is characterized by :Mental retardationShort statureHypotoniaObesityHyperphagiaSmall hands and feetHypogonadism. 