Most of the largest exon of the endogenous Gfat2 locus has been deleted. A sequence cassette that contains 1. a Disc\RFPDsRed(T1).3xP3.cHa marker flanked by loxP sites and 2. a single attP site has been inserted in place of the deleted sequence.
lethal - all die before end of first instar larval stage
Gfat2E1 and Gfat2F1 have identical lesions.