Assertion: male gamete | /r/HasProperty | produced inside the pollen tube
Facets:
value: into two sperm nuclei
type: TRANSITIVE-OBJECT
value: inside the pollen grain
type: LOCATION
value: in 70% of the species
type: OTHER
value: in angiosperms
type: LOCATION
Source sentences:
text: In angiosperms, the male gametes (always two) are produced inside the pollen tube (in 70% of the species) or inside the pollen grain (in 30% of the species) through the division of a generative cell into two sperm nuclei.