Figure 2From: Chromosomal painting and ZW sex chromosomes differentiation in Characidium (Characiformes, Crenuchidae)W Characidim probe efficiency. In (a) female metaphases of C. gomesi from the Minhoca stream population and (b) from the population of Verde River (PR) showing the chromosomes hybridised with the W-specific probe. Bar = 10 μm.Back to article page