Procedure
w; +/+; P[transgeneA]/P[transgeneA] ☿☿ x w; +/+; P[transgeneB]/P[transgeneB] ♂♂↓
w; +/+; P[transgeneA]/P[transgeneB] ☿☿ x w; +/+; TM3, Sb/TM6B, Tb ♂♂ You will get...
w; P[transgeneA/TM3, Sb or TM6B, Tb (red eye)
w; P[transgeneB/TM2, Sb or TM6B, Tb (red eye)
w; +/TM3, Sb or TM6b, Tb (white eye)
w; P[transgeneA],P[transgeneB]/TM3, Sb or TM6B, Tb (strong or dark red eye) <-- want this fly for next cross↓
w; +/+; P[transgeneA],P[transgeneB]/TM3, Sb ☿ (single female) x w; +/+; TM3, Sb/TM6B, Tb ♂♂ (setup 5-10 vials with different single females)ORw; +/+; TM3, Sb/TM6B, Tb ☿ ☿ x w; +/+; P[transgeneA],P[transgeneB]/TM3, Sb ♂ (setup 5-10 vials with different single males)↓
w; +/+; P[transgeneA],P[transgeneB]/TM3, Sb ☿☿ x w; +/+; P[transgeneA],P[transgeneB]/TM3, Sb ♂♂↓
w; +/+; P[transgeneA],P[transgeneB]/P[transgeneA],P[transgeneB] ☿☿ x w; +/+; P[transgeneA],P[transgeneB]/P[transgeneA],P[transgeneB] ♂♂