Imprecise excision of the progenitor insertion, resulting in a 404bp deletion that removes the 5'UTR and first exon of Manf.
404 bp deletion resulting from the imprecise excision of P{EP}EP3171 removes part of the Manf gene.
lethal (with Df(3R)B10.1)
lethal (with Df(3R)B13.1)
lethal (with Df(3R)D20.1)
lethal (with Df(3R)Ex41)
Homozygotes show polyphasic lethality, mainly in the embryonic and first larval instar stages (some second instar larval escapers are seen).