[Differentiation in the initial steps of development].
D000818:Animals; D001001:Anura / Q000196:embryology; D002022:Bufo arenarum / Q000196:embryology; D002454:Cell Differentiation; D002467:Cell Nucleus / Q000032:analysis / Q000648:ultrastructure*; D004247:DNA / Q000032:analysis; D005260:Female; D009024:Morphogenesis; D010063:Ovum / Q000166:cytology / Q000378:metabolism / Q000502:physiology; D012313:RNA / Q000032:analysis; D011894:Rana pipiens / Q000196:embryology; D014981:Xenopus / Q000196:embryology
D012313:RNA; D004247:DNA
Diferenciación en las etapas iniciales del desarrollo