It might also allow lesbian couples to conceive using only their own DNA, if this technology isn't limited to male genes.
This is probably a completely ridiculous idea, but I wonder if men might someday be weeded out by "natural" selection.
“IVD sperm can only be produced from stem cells with male [XY] chromosomes,” he said. “Stem cells with female [XX] chromosomes can be prompted to form early-stage sperm but do not progress further. This demonstrates that the genes on a Y chromosome are essential for meiosis and sperm maturation.”
From: http://www.ft.com/cms/s/0/1f16dfe8-6b2f-11de-861d-00144feabd...