SO i cannot find an easier place to post this so,
My Sister is studying to be a mid wife and she is taught to my reluctant acceptance,
That babies sex is pre determined, as each sperm is supposedly X or Y boy or girl.
So they teach her at University, that the sex will not vary, which sperm gets there first is either already X or Y chromosome.
She will try and find out what they teach about the brain activation
"Given enough Time even Hydrogen starts to wonder where it came from, and where it is going"