Figure 4.

Phenotypic rescue of the dm mutant phenotype by dmyc1 expression. Genotypes: (A and B) Fm6, dm¹/Y; +/+; p[w⁺, UAS-dmyc1/+. (C and D) Fm6, dm¹/Y; sca^GAL4/+; p[w⁺, UAS-dmyc1/+. A and C show side views of adult flies × 20. Note in particular the difference in size of the scutellar macrochaetae extending from the dorsal surface of the thorax. Note also the size difference of the abdominal bristles. B and D show images of fields of microchaetae present on the dorsal surface of the thorax × 125. Note the larger size of bristles in D. For C and D, bristles produced by flies of the genotype Fm6, dm¹/Y; sca^GAL4/+; p[w⁺, UAS-dmyc1/+ are similar in size to those produced by wild-type flies (data not shown).