P{GawB} insertion approximately 1 kb into approximately 3-kb first intron (5' UTR) of hipk transcript RB; 1656 bp 5' of start of hipk transcript RA.
abnormal gravitaxis
Flies show an aberrant gravitaxic response in a vertical gravitaxic maze assay, and show wild type behaviour in a horizontal maze. Male courtship activity is comparable to wild type, and flight is not seriously impaired.