Imprecise excision of P{EPgy2}Lsm12EY01098 results in deletion of parts of Lsm12 and Chrac-16.
Lsm12Δ9 hemizygous as well as Lsm12Δ9/Df(1)ED7153 transheterozygous adults display aberrant long-period circadian locomotor rhythm under free-running constant dark conditions.