title: Direct evidence of the capacity of the XY germ cell in the mouse to become an oocyte.
mesh_terms: D000818:Animals; D002678:Chimera; D005260:Female; D007621:Karyotyping; D008540:Meiosis; D051379:Mice; D009030:Mosaicism; D009865:Oocytes / Q000378:metabolism / Q000648:ultrastructure*; D010063:Ovum / Q000648:ultrastructure*; D012730:Sex Chromosomes / Q000378:metabolism*