Methods are disclosed for screening for {HEAD ~ the occurrence} of {TAIL ~ gene} silencing in an organism 
of
Methods are disclosed for screening for { HEAD ~ the occurrence } of { TAIL ~ gene } silencing in an organism
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH