Wouldn't a 50/50 split be just as unlikely as any other? You've already broken symmetry by asking by a preference of one over the other, so it would be pretty s

Wouldn't a 50/50 split be just as unlikely as any other? You've already broken symmetry by asking by a preference of one over the other, so it would be pretty spooky if something came along and restored that symmetry. Unless it was truly random, and what in biology is truly random?