| Type | MGI:General | Description | among non-circling, wild-type mice the mean circadian period of noncircling control mice steadily increased from 23.32 h in generation 1 where 50% of the genome is C57BL/6 to 23.71 h in backcross generation 3 mice where the circadian period of the noncirclers became similar to that of the C57BL/6J strain |
