GO:0042790

transcription of nuclear large rRNA transcript from RNA polymerase I promoter

Details: 
The synthesis of the large ribosomal RNA (rRNA) transcript which encodes several rRNAs, e.g. in mammals 28S, 18S and 5.8S, from a nuclear DNA template transcribed by RNA polymerase I. [GOC:jl, GOC:txnOH, ISBN:0321000382]
Evidence Code: 
IMP