amorphic allele - molecular evidence
Deletion of all of the coding region of both the Srr-RA and Srr-RB transcripts ( 3R:9365158..9367626 , FB2018_02).
Deletion of all of the coding region of both the Srr-RA and Srr-RB transcripts ( 3R:9365158..9367626 , R6).
decreased sleep
Srrlong mutants show decreased sleep only during night-time.