Assertion: zygote | /r/CapableOf | divide into identical totipotent cells
Facets:
value: in the first hours after fertilization
type: TEMPORAL
Source sentences:
text: In the first hours after fertilization, this zygote divides into identical totipotent cells, which can later develop into any of the three germ layers of a human (endoderm, mesoderm, or ectoderm), or into cells of the placenta (cytotrophoblast or syncytiotrophoblast).