Assertion: zygote's number | /r/CapableOf | become active
Facets:
value: transcritionally
type: MANNER
Source sentences:
text: There is, for instance, little transcription in the embryos of most species prior to the 8 cell stage, but as embryos develops into morulae, then blastocysts, a large number of genes become transcritionally active and the total level of transcription increases dramatically.