<prompt> Simian crease is not seen in -DownTrisomy 13Atopic dermatitisNoonan syndrome  <response>: Ans. is c i.e., Atopic dermatitisSimian creaseo Single transverse palmer creaseo Resembles non-human-simian so Ka simian crease,o It is seen inDown syndromeFetal alcohol syndromeCri-du chat syndrome Chr. 5Klinefelter XXYNoonan Chr. 12Patau Chr. 13Edward Chr. 18 