Preferential expression of the maternally derived X chromosome in the mouse yolk sac.
D000818:Animals; D004777:Environment; D005260:Female; D008040:Genetic Linkage; D007527:Isoenzymes / Q000235:genetics*; D008297:Male; D051379:Mice; D009030:Mosaicism; D010735:Phosphoglycerate Kinase / Q000235:genetics*; D012641:Selection, Genetic; D012730:Sex Chromosomes / Q000378:metabolism*; D014960:X Chromosome / Q000378:metabolism*; D015017:Yolk Sac / Q000166:cytology / Q000378:metabolism*
D007527:Isoenzymes; D010735:Phosphoglycerate Kinase