Amino acid replacement: I244N. Amino acid replacement: I307N.
lethal - all die before end of pupal stage, with Scer\GAL4Mhc.PW
some die during pupal stage, with Scer\GAL4Mhc.PW
Overexpression of Fmr1I244N.I307N.Scer\UAS when driven by Scer\GAL4hs.2sev produces essentially wild-type eyes.