Well Koh, biologically you've got it kinda backwards. All fetuses start off withthepotential to be both, but that means a gash and a little nubbin, so they more closely resemble females. Then a hormone comes along to tell it male or female, and if male, the gash closes and the nubbin gets bigger.
3DS Friend Code: 0146-9205-4817. Could show as either Chris or Chrysia.