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Immunostaining of polytene chromosomes from transgenic lines expressing Mod(mdg4)-67.2 derivatives. Polytene chromosomes of Mod-67.2+, ModΔFLYWCH, ModΔQ and ModΔQ D33N/H46D larvae stained with antibodies against CP190 (red), Mod-67.2 (green) and the N-terminal region of Su(Hw) (green). Analysis of transgenic lines was performed on the y2scD1ct6; mod(mdg4)u1/mod(mdg4)u1 background. Arrows indicate gypsy inserts at the tip of the X chromosome.
