Noun
nrDNA (countable and uncountable, plural nrDNAs)
(biochemistry) nuclear ribosomal DNA
Phylogenetic relationships of Rhododendron section Vireya (Ericaceae) inferred from the ITS nrDNA region. Source: Internet
A Molecular Phylogenetic Study of the Palmae (Arecaceae) Based on atpB, rbcL, and 18S nrDNA Sequences (Systematic Botany 51(1): 92-112). Source: Internet