Figure 1

Metaphase I stages of Coprophanaeus cyanescens carrying 1 B chromosome. Conventional staining (a), FISH mapping of C ₀ t-1 DNA (b), 18S (green) and 5S (red) rRNA genes (c) and LOA-like non-LTR retrotransposon (d). The B chromosome and the XY_P sex chromosomes are indicated. Bar = 5 μm