By the way, it is already possible to separate XX sperm from XY sperm using a blood vile spinning machine (I don't know what the name of the machine is).
Centrifuge. I learned it from a movie ("At least we didn't put his sperm in a centrifuge to seperate the Xes from the Ys.").
33 posted on 04/11/2002 1:57:36 PM PDT by Dimensio