27 phenotypes from 4 alleles in 8 genetic backgrounds

Allelic Composition Genetic Background	Annotated Term	Reference
Per1Hftm/Per1+ C57BL/6J-Per1Hftm/JtJ	shortened circadian behavior period	J:91116
Per1tm1Brd/Per1tm1Brd 129S7/SvEvBrd-Per1tm1Brd Hprt1b-m2	abnormal basal metabolism	J:136165
	abnormal body weight	J:136165
	abnormal estrous cycle	J:136165
	abnormal food intake	J:136165
	abnormal food preference	J:136165
	abnormal pregnancy	J:136165
	absent estrous cycle	J:136165
	decreased body weight	J:136165
	decreased litter size	J:136165
	early reproductive senescence	J:136165
	impaired embryo implantation	J:136165
	reduced female fertility	J:136165
Per1tm1Brd/Per1tm1Brd involves: 129 * 129S7/SvEvBrd	increased bone mass	J:115188
	increased osteoblast cell number	J:115188
Per1tm1Drw/Per1tm1Drw B6.129-Per1tm1Drw/J	abnormal impulsive behavior control	J:219876
	abnormal learning/memory/conditioning	J:219876
	decreased dopamine level	J:219876
	increased locomotor activity	J:219876
	increased vertical activity	J:219876
Per1tm1Drw/Per1tm1Drw involves: 129S4/SvJae	abnormal brain wave pattern	J:95746
	abnormal circadian sleep/wake cycle	J:95746
	abnormal sleep pattern	J:95746
	arrhythmic circadian behavior persistence	J:69626
	prolonged circadian behavior period	J:95746
Per1tm1Saco/Per1+ involves: 129S2/SvPas	abnormal circadian behavior phase	J:98340
Per1tm1Saco/Per1tm1Saco B6.129S2-Per1tm1Saco	shortened circadian behavior period	J:70850
Per1tm1Saco/Per1tm1Saco involves: 129S2/SvPas	abnormal circadian behavior phase	J:98340
	abnormal circardian behavior entrainment	J:98340
Per1tm1Saco/Per1tm1Saco involves: 129S2/SvPas * C57BL/6	shortened circadian behavior period	J:70850