<prompt> Which of the following combination is WRONG regarding developmental origin of urogenital system2 - Para mesonephric duct3- Mesonephric duct1 - Mullerian duct4- Urogenital sinus  <response>: Marker 3 is Urethra, which develops from Urogenital sinus not Mesonephric duct. Key:Marker 1- Uterine tube: Develops from Paramesonephric Mullerian duct Marker 2 - Uterus: Develops from Paramesonephric Mullerian duct Marker 3 - Urethra: Develops from Urogenital sinus Marker 4 -Urinary bladder: Develops from Urogenital sinus 