Figure 1From: The B chromosomes of the African cichlid fish Haplochromis obliquidens harbour 18S rRNA gene copiesKaryotypes of H. obliquidens without B chromosomes (a), with one extra chromosome (b) and with two extra chromosomes (c). The meta-submetacentric (m/sm) and subtelo-acrocentric (st/a), and the B chromosomes (1B and 2B) are indicated. Scale bar indicates 5 μm.Back to article page