Insertion 33 nucleotides upstream of the start of exon 5.
rdx1 is a suppressor of metathoracic leg phenotype of Pc1
rdx1 is a suppressor of mesothoracic leg phenotype of Pc1
rdx1 is a suppressor of metathoracic leg phenotype of Pc3
rdx1 is a suppressor of mesothoracic leg phenotype of Pc3
Based on embryonic and larval lethality, the following rdx alleles can be ranked from strongest to weakest as follows: rdx5 > rdx6 > rdx4 = rdx1.