lethal | recessive
osa[+]/osa4 is a suppressor of visible | homeotic phenotype of AntpNs, Pc2
osa4 is a suppressor of phenotype of Pc4
osa[+]/osa4 is a suppressor of antenna phenotype of AntpNs, Pc2
Suppresses the extra sex comb phenotype of Pc4, Ts(YLt;2Lt)L124. Causes between 50% and 100% suppression of the Pc4/+ extra sex combs phenotype.