Fig. 6

Karyotypes of natural chondrostomine hybrids (2n = 50) of the type AOLxPPO arranged from chromosomes after (a) FISH with Rex3 fragment (red), (b) dual-colour FISH with 5S (red) and 45S (green) rDNA probes, and (c) C-banding with PI counterstaining (negative image). Bar = 5 μm