Analysis of a mutant strain of Drosophila melanogaster
... Abstract Francisco, a mutated, true breeding Drosophila melanogaster, exhibits a dark body (da), white eyes (wh), and a cut vein (ct) where the second longitudinal vein did not extend to the margin of the wing. ... Crosses 1A and 1B (Dihybrid Analysis) The mutated, true-breeding fly Francisco differs from the wild type (WT) strain in three significant ways: a dark gray body (da), white eyes (wh) and a cut wing vein (ct) (the second longitudinal vein did not extend to the margin of the wing).