part_of
part of
part of
results in formation of anatomical entity
results in fusion of
zygote
fertilization
https://github.com/geneontology/go-ontology/issues/20176
GO:0009566
The union of gametes of opposite sexes during the process of sexual reproduction to form a zygote. It involves the fusion of the gametic nuclei (karyogamy) and cytoplasm (plasmogamy).
biological_process
syngamy
Wikipedia:Fertilisation
sexual reproduction
reproductive process
germ cell nucleus