title: Hybrids from fused gigantic ascidian eggs.
mesh_terms: D000818:Animals; D002459:Cell Fusion; D002816:Chordata, Nonvertebrate / Q000196:embryology; D003433:Crosses, Genetic; D005260:Female; D005306:Fertilization; D006824:Hybridization, Genetic; D007814:Larva / Q000254:growth & development; D008675:Metamorphosis, Biological; D008722:Methods; D010063:Ovum