title: Timing of X-chromosome inactivation in postimplantation mouse embryos.
mesh_terms: D000818:Animals; D004303:Dosage Compensation, Genetic; D004475:Ectoderm / Q000502:physiology; D004622:Embryo, Mammalian / Q000502:physiology*; D047108:Embryonic Development; D004707:Endoderm / Q000502:physiology; D005260:Female; D005821:Genetic Techniques; D051379:Mice; D008809:Mice, Inbred C3H; D008810:Mice, Inbred C57BL; D011247:Pregnancy; D013194:Staining and Labeling; D013997:Time Factors