Assertion: zygote's cell | /r/CapableOf | become restricted
Facets:
value: in developmental potentials
type: OTHER
value: permanently
type: MANNER
Source sentences:
text: Before animals were first cloned from nuclei of the fully differentiated cells of frogs in the 1960s [12–14], it was posited that cells continuously lose some genetic determinants over the course of development and become permanently restricted in developmental potentials .