Map comparisons would involve hybridizations, {HEAD ~ RFLP}, PCR, SSR and sequencing, {TAIL ~ all} of which are conventional techniques 
Map comparisons would involve hybridizations , { HEAD ~ RFLP } , PCR , SSR and sequencing , { TAIL ~ all } of which are conventional techniques
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH