Typically, this is the way the analysis
would have been done.
Taking your differentially regualted genes,
you’d analyse them one by one - researching the what is known about that gene, and what processes it
is involved in.
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But by using GO annotations, this work has
already been done for you - someone has already sat down and associated a particular gene with a particular process…
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So you have the ability to group your
differentially regulated genes by process…