{HEAD ~ Cosuppression} of {TAIL ~ an endogenous gene} using a full length cDNA sequence as well as a partial cDNA sequence are known  
of
{ HEAD ~ Cosuppression } of { TAIL ~ an endogenous gene } using a full length cDNA sequence as well as a partial cDNA sequence are known
HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH