What is the observed fold change in relative expression levels of a constituively expressed transgene in a polyploid genome such as Brassica?

10 June 2013 0 8K Report

The transgene (transcription activator) is under the control of 35SCaMV promoter, insertion lines display a decent phenotype, yet the increase in expression levels though qRT range from 1.5 fold to 5 fold only. Is this normal?

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