P{RS3}CB-0229-3 is located 9 nucleotides into the 5'UTR of rho-7.
Testes belonging to rho-7CB-0229-3 males do not contain sperm.
rho-7CB-0229-3 mutant testicles exhibit irregularly-shaped nebenkerns, composed of many individual mitochondria that have coalesced beside the nucleus, but have failed to fuse.