bk1 << toc << bk2
This deletion removes a single ribosomal protein-coding gene (though other genes are also removed).
Heterozygous Df(2L)JS31 mutant females exhibit a dilated cardiomyopathy phenotype, including an increased end-systolic dimension (EDD) and a decreased fractional shortening (FS) compared to controls. Bristles appear short and thin compared to wild type (Minute phenotype).
Flies heterozygous for the deletion show a Minute bristle phenotype.
Females display ovaries with abnormal egg chambers.