Fig. 2From: A hybrid RNA FISH immunofluorescence protocol on Drosophila polytene chromosomesHistone2b (h2b) RNA FISH (green) and Mxc IF (magenta) on A wildtype (WT; 100 histone arrays), B wildtype with a 12 copy histone array transgene (WT + 12 HA), and C wildtype with a single copy histone array transgene (WT + 1 HA) on D. melanogaster polytene chromosomes. DNA is stained with DAPI (red)Back to article page