Assertion: oocyte's development | /r/CapableOf | begin at fertilization
Facets:
Source sentences:
text: Human development begins at fertilization, the process during which a male gamete … unites with a female gamete or oocyte … to form a single cell called a zygote.
text: The development of a human being begins with fertilization, a process by which two highly specialized cells, the spermatozoon from the male and the oocyte from the female, unite to give rise to a new organism, the zygote.