Hi Ramzi,

>From what I understand about your problem, your question is what is the
difference between group A and B. The answer would be in the contrast A -
wild type vs contrast B -wild type, if wild type is a common control for
both and not in the direct contrast of A-B. If this is your situation, you
may also want to see ?genas in limma.

Best wishes,
Swapna

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