Figure 2From: Target gene approaches: Gene expression in Daphnia magna exposed to predator-borne kairomones or to microcystin-producing and microcystin-free Microcystis aeruginosaPair wise variation of sequential normalisation factors (Vn/n+1) in the kairomone experiment estimated by geNorm. V2/3 is based on the geometric mean of the normalisation factors of GapDH, TBP and SucDH; V3/4 is V2/3 and cyclophilin; V4/5 is V3/4 and UBC; V5/6 is V4/5 and 28S; V6/7 is V5/6 and 18S.Back to article page