a ( g + c ) -rich satellite dna component ( p = 1.716 g/ml ) has been fractionated from the total dna of the iranian subspecies of the asiatic wild ass , equus hemionus onager , by successive dactinomycin-cscl and netropsin sulfate-cscl isopycnic gradients .
C0012934
satellite dna
C0012854
dna