passages.id: split_8_test_5_passage
passages.type: progene_text
passages.text: Ectopic expression of RasGAP in the wing imaginal disc reduced the size of the adult wing by up to 45 % and suppressed ectopic wing vein formation caused by expression of activated forms of Breathless and Heartless , two Drosophila receptor tyrosine kinases of the fibroblast growth factor receptor family .