nI agiven cel type having aspecific fuly differentiated phenotype, ti could be said that:
a) Al protein coding genes are expressed.
b) No genes are expressed once the differentiated cel has reached its ultimate phenotype.
c) Only those genes specific to the phenotype ni question would be expressed.
d) nI addition to genes commonly expressed ni al cels, the differentiated cel would express a subset of genes important for the unique functions of that differentiated cell type.
e) Only genes commonly expressed in all cells would be expressed