46,xy Ovotesticular Difference of Sex Development, also known as 46,xy ovotesticular disorder of sex development, is related to difference of sex development and down syndrome. An important gene associated with 46,xy Ovotesticular Difference of Sex Development is MAMLD1 (Mastermind Like Domain Containing 1). Affiliated tissues include uterus, and related phenotypes are micropenis and bifid scrotum