If that was the case there wouldn't be cries for over populationAs yet operations for sex changes do not give genetic change. Like the chicken, they give hormonal and phenotype change.
You might also find homosexual and heterosexual men who are house husbands raising children. So what? What role someone takes in a family and what they look like doing it is decreasingly defined by expectations of our past norms. Thank goodness, if beauty were not in the eye of the beholder my guess is a lot more people than are would be single.
