Fluorescent in situ hybridization using probes of 5S (green) and 18S (red) rDNA in metaphasic cells of P. argenteus, carrying one B chromosome (a) and two B chromosomes (b), indicated by arrows. FISH marked segments are visualized only on the NOR bearing chromosomes. Bar = 10 µm.

 
 
  Part of: Penitente M, Foresti F, Porto-Foresti F (2015) B chromosomes in the species Prochilodus argenteus (Characiformes, Prochilodontidae): morphologicalidentity and dispersion. Comparative Cytogenetics 9(1): 79-87. https://doi.org/10.3897/CompCytogen.v9i1.8587