Fig. 2
From: Comparison of different ploidy detection methods in Oncorhynchus mykiss, the rainbow trout
Interphase nuclei from rainbow trout stained with silver nitrate. a Triploid O. mykiss sample containing up to three NORs. The excess number of cells but identifiable (× 600). b Ideal triploid sample with a maximum of three NORs (× 600). c, d Diploid O. mykiss sample containing one and two NORs, respectively (× 600). e, f Samples with a maximum of four NORs shown in arrows (× 900 and × 600, respectively)