| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Cell
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:alsoKnownAs
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Egg_cell
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:canBe
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Fertilized
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:compatibleWith
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Male mammals
                                        
                                        
                                         
                                    
                                        
                                            
                                            Motile (in most species)
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:contains
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Cytoplasm
                                        
                                         
                                    
                                        
                                            gptkb:Yolk
                                        
                                         
                                    
                                        
                                            
                                            Haploid nucleus
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:cytoplasmContains
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Ribosomes
                                        
                                         
                                    
                                        
                                            gptkb:gene
                                        
                                         
                                    
                                        
                                            gptkb:Mitochondria
                                        
                                         
                                    
                                        
                                            
                                            Nutrients
                                        
                                        
                                         
                                    
                                        
                                            
                                            Proteins
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:developedBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Zygote
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:discoveredIn
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1827
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:fertilizedBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Sperm
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:firstDescribed
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Karl_Ernst_von_Baer
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:foundIn
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Plants
                                        
                                         
                                    
                                        
                                            
                                            Animals
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:function
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Reproduction
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:geneticMaterial
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Maternal DNA
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:lifespan
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Short after ovulation
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:locatedOnChromosome
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Haploid
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:maturedBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Oogenesis
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:membrane
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Zona_pellucida_(in_mammals)
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notCapableOf
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Self-replication
                                        
                                        
                                         
                                    
                                        
                                            
                                            Mitosis before fertilization
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:outerLayer
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Chorion_(in_some_species)
                                        
                                         
                                    
                                        
                                            gptkb:Vitelline_membrane
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:powerSource
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Yolk
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:presentIn
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Humans
                                        
                                         
                                    
                                        
                                            gptkb:fish
                                        
                                         
                                    
                                        
                                            gptkb:Flowering_plants
                                        
                                         
                                    
                                        
                                            
                                            Insects
                                        
                                        
                                         
                                    
                                        
                                            
                                            Birds
                                        
                                        
                                         
                                    
                                        
                                            
                                            Amphibians
                                        
                                        
                                         
                                    
                                        
                                            
                                            Reptiles
                                        
                                        
                                         
                                    
                                        
                                            
                                            Mollusks
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:producedBy
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Ovary
                                        
                                        
                                         
                                    
                                        
                                            
                                            Female organism
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:releaseDate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Ovulation
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:role
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Sexual reproduction
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:size
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Usually larger than sperm
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:species
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:subjectOf
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Developmental biology
                                        
                                        
                                         
                                    
                                        
                                            
                                            Embryology
                                        
                                        
                                         
                                    
                                        
                                            
                                            Reproductive biology
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:The_Hinderers
                                        
                                         
                                    
                                        
                                            gptkb:AppNexus
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            7
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Ovum
                                        
                                        
                                         
                                    
                                 |