TABLE 4

Quantitative trait loci for headless behaviors

FemaleMaleTotal
Trait (95% LR)aIntervalLREffectbLREffectLREffectModelcP value
Hindgrooming (14.7)3E20.4-0.48n.s.11.6-0.300.0002
98A15.5-0.4821.0-0.7125.9-0.60<0.0001
Quivering (37.0)14C36.5-1.6320.2-1.0023.7-0.58<0.0001
87Bn.s.n.s.12.50.200.0005
14C × 87B0.0255
Grasping (15.8)60En.s.20.9-0.67n.s.n.s.
61A18.6-0.42n.s.23.4-0.730.0016
63-6518.90.4916.30.49n.s.0.0016
87Bn.s.n.s.16.40.55<0.0001
60E × 87B0.0065
Self-righting (14.8)87B12.80.3728.00.8318.40.44<0.0001
96A13.10.50n.s.18.90.510.0009
  • n.s., not significant.

  • a 95% significance threshold likelihood ratio (LR) for combined sexes for indicated traits.

  • b Estimated additive effect of QTL as a fraction of the standard deviation among line means.

  • c See text for description of two- or three-locus linear multiple regression model.