Embryos derived from vas1/vas3 females carrying nosnos.+2'-3X.T:Ivir\HA1 develop 0-3 abdominal segments in 72% of cases and 4-6 abdominal segments in 28% of cases.
98% of embryos derived from nosBN females carrying nosnos.+2'-3X.T:Ivir\HA1 develop 7-8 abdominal segments.