TABLE 1

mcm5 is an essential gene

GenotypePresence of Mcm5Viability
Lethal phenotype of the null allele
    mcm5exc222/Df(3R)BSC38
    mcm5exc222/Df(3R)Exel6159
    mcm5exc222/Df(3R)Exel7305
Transformation rescue of the null allele
    P{mcm5+}#7; mcm5exc222++
    P{mcm5+}#33; mcm5exc222++
    P{mcm5+}#39; mcm5exc222++